{"id":31066,"date":"2021-02-09T10:33:40","date_gmt":"2021-02-09T09:33:40","guid":{"rendered":"https:\/\/kinsta.com\/?p=77829"},"modified":"2023-08-28T20:06:44","modified_gmt":"2023-08-28T11:06:44","slug":"dns-propagation","status":"publish","type":"post","link":"https:\/\/kinsta.com\/jp\/blog\/dns-propagation\/","title":{"rendered":"\u30102026\u5e74\u7248\u3011\u30b5\u30a4\u30c8\u6240\u6709\u8005\u5411\u3051DNS\u4f1d\u64ad\u5fb9\u5e95\u89e3\u8aac\u30ac\u30a4\u30c9"},"content":{"rendered":"<p>DNS\uff08<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-dns\/\">\u30c9\u30e1\u30a4\u30f3\u30cd\u30fc\u30e0\u30b7\u30b9\u30c6\u30e0\u306e\u7565<\/a>\uff09\u306f\u30a6\u30a7\u30d6\u4e0a\u306b\u3042\u308b\u3059\u3079\u3066\u306e\u30da\u30fc\u30b8\u306e\u30a2\u30c9\u30ec\u30b9\u3067\u3059\u3002<a href=\"https:\/\/kinsta.com\/blog\/choose-domain-name\/\">\u30c9\u30e1\u30a4\u30f3\u540d<\/a>\u3092\u5165\u529b\u3059\u308b\u3068\u3001DNS\u304c\u30d6\u30e9\u30a6\u30b6\u306b\u6253\u3061\u8fbc\u307e\u308c\u305f\u8a00\u8449\u3092\u3001\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u304c\u7406\u89e3\u3067\u304d\u308b\u30a2\u30c9\u30ec\u30b9\u3078\u3068\u5909\u63db\u3057\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306f\u3001DNS\u306e\u91cd\u8981\u6027\u3001\u5909\u66f4\u65b9\u6cd5\u3001DNS\u4f1d\u64ad\uff08\u6d78\u900f\uff09\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u65b9\u6cd5\u3001DNS\u30d5\u30a1\u30a4\u30eb\u306e\u5b89\u5168\u6027\u3092\u78ba\u4fdd\u3059\u308b\u65b9\u6cd5\u3001\u30d7\u30ec\u30df\u30a2\u30e0DNS\u30b5\u30fc\u30d3\u30b9\u306b\u79fb\u884c\u3059\u308b\u3053\u3068\u3067WordPress\u30b5\u30a4\u30c8\u3092\u307e\u3063\u305f\u304f\u65b0\u3057\u3044\u30ec\u30d9\u30eb\u306b\u5f15\u304d\u4e0a\u3052\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u7406\u7531\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u3067\u306f\u53c2\u308a\u307e\u3057\u3087\u3046\uff01<\/p>\n<div><\/div><kinsta-auto-toc heading=\"Table of Contents\" exclude=\"last\" list-style=\"arrow\" selector=\"h2\" count-number=\"-1\"><\/kinsta-auto-toc>\n<h2 id=\"What-is-DNS?\">DNS\u3068\u306f\uff1f<\/h2>\n<p>\u30d6\u30e9\u30a6\u30b6\u306b<a href=\"https:\/\/kinsta.com\/jp\/\">kinsta.com<\/a>\u3068\u5165\u529b\u3057\u305f\u3068\u3057\u3066\u3082\u3001Kinsta\u30b5\u30a4\u30c8\u306e\u30c8\u30c3\u30d7\u30da\u30fc\u30b8\u304c\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u306f\u305d\u306e\u8a00\u8449\u3092\u7406\u89e3\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>DNS\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u306b\u5165\u529b\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u540d\u3092IP\uff08\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\uff09\u30a2\u30c9\u30ec\u30b9\u306b\u5909\u63db\u3057\u307e\u3059\u3002Kinsta\u3092\u4f8b\u306b\u3068\u308b\u3068\u3001DNS\u306f\u300ckinsta.com\u300d\u3092\u300c216.3.128.12\u300d\u306b\u5909\u63db\u3057\u307e\u3059\u3002Kinsta\u30c8\u30c3\u30d7\u30da\u30fc\u30b8\u304c\u30b5\u30fc\u30d0\u30fc\u4e0a\u3067\u5b9f\u969b\u306b\u4f4d\u7f6e\u3059\u308b\u5834\u6240\u304cIP\u30a2\u30c9\u30ec\u30b9\u3067\u3059\u3002<\/p>\n<p>\u3059\u3079\u3066\u306e\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u304c\u3053\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_77883\" aria-describedby=\"caption-attachment-77883\" style=\"width: 1500px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/kinsta.com\/wp-content\/uploads\/2020\/08\/DNS-Propagation-How-DNS-Works-1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-77883 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2020\/08\/DNS-Propagation-How-DNS-Works-1.png\" alt=\"DNS\u3068IP\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u8a00\u308f\u3070\u300cWeb\u306e\u96fb\u8a71\u5e33\u300d\" width=\"1500\" height=\"444\"><\/a><figcaption id=\"caption-attachment-77883\" class=\"wp-caption-text\">DNS\u3068IP\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u8a00\u308f\u3070\u300cWeb\u306e\u96fb\u8a71\u5e33\u300d<\/figcaption><\/figure>\n<p><a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/site-management\/ip-addresses\/#site-ip-address-ipv4\">\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eIP\u30a2\u30c9\u30ec\u30b9<\/a>\u3092\u899a\u3048\u3066\u304a\u304f\u3053\u3068\u306f\u4e8b\u5b9f\u4e0a\u4e0d\u53ef\u80fd\u3067\u3042\u308b\u305f\u3081\u3001DNS\u304c\u3059\u3079\u3066\u306e\u5927\u5909\u306a\u4f5c\u696d\u3092\u62c5\u3063\u3066\u304f\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u3057\u3066\u3082\u3061\u308d\u3093\u3001\u3053\u308c\u306b\u3088\u308a\u3001Web\u3092\u4eba\u9593\u304c\u4f7f\u3044\u3053\u306a\u3059\u306e\u304c\u306f\u308b\u304b\u306b\u7c21\u5358\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u305d\u3093\u306a\u7406\u7531\u3067\u3001DNS\u306f\u300c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u96fb\u8a71\u5e33\u300d\u3068\u547c\u3070\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3 id=\"Types-of-DNS\">DNS\u306e\u7a2e\u985e<\/h3>\n<p>\u77e5\u3063\u3066\u304a\u304f\u3079\u304d\u4e3b\u306aDNS\u30ec\u30b3\u30fc\u30c9\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u3092\u3054\u89a7\u4e0b\u3055\u3044\u3002<\/p>\n<h4>A\u30ec\u30b3\u30fc\u30c9<\/h4>\n<p>\u3053\u306e\u30ec\u30b3\u30fc\u30c9\u306f<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/site-management\/ip-addresses\/#site-ip-address-ipv4\">IPv4\u30a6\u30a7\u30d6\u30a2\u30c9\u30ec\u30b9<\/a>\u3068\u30c9\u30e1\u30a4\u30f3\uff08\u307e\u305f\u306f\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\uff09\u3092\u7d10\u4ed8\u3051\u308b\u3082\u306e\u3067\u3042\u308b\u305f\u3081\u3001\u30b5\u30a4\u30c8\u7ba1\u7406\u8005\u3067\u3042\u308c\u3070\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eDNS A\u30ec\u30b3\u30fc\u30c9\u306e\u7de8\u96c6\u306b\u3042\u308b\u7a0b\u5ea6\u306e\u6642\u9593\u3092\u8cbb\u3084\u3059\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u30b5\u30a4\u30c8\u306e\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u3067<a href=\"https:\/\/kinsta.com\/jp\/blog\/ipv4-vs-ipv6\/\">IPv4\u3067\u306f\u306a\u304fIPv6<\/a>\u304c\u63a1\u7528\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u4ee3\u308f\u308a\u306b<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/wordpress-domains\/dns\/#aaaa-record\">DNS AAAA\u30ec\u30b3\u30fc\u30c9<\/a>\u3092\u7de8\u96c6\u3057\u307e\u3059\u3002IPv6\u3068IPv4\u304c\u4f55\u304b\u308f\u304b\u3089\u306a\u3044\u5834\u5408\u306f\u3001\u6b21\u306e\u9805\u76ee\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h4>CNAME\u30ec\u30b3\u30fc\u30c9<\/h4>\n<p><a href=\"http:\/\/subdomains\">\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3<\/a>\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001CNAME\u30ec\u30b3\u30fc\u30c9\u3092\u4f7f\u3063\u3066\u3001\u305d\u306e\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u3092\u30d7\u30e9\u30a4\u30de\u30ea\u30c9\u30e1\u30a4\u30f3\u306b\u95a2\u9023\u4ed8\u3051\u307e\u3059\u3002<\/p>\n<h4>MX\u30ec\u30b3\u30fc\u30c9<\/h4>\n<p>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3068\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3092\u63a5\u7d9a\u3059\u308b\u306e\u304c\u3001<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/wordpress-domains\/google-mx-records\/\">MX\u30ec\u30b3\u30fc\u30c9<\/a>\u306e\u5f79\u5272\u3067\u3059\u3002\u30ec\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001Gmail\u306a\u3069\u306e\u7279\u5b9a\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3092\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h4>TXT\u30ec\u30b3\u30fc\u30c9<\/h4>\n<p>\u30b9\u30d1\u30e0\u306f\u76f8\u5909\u308f\u3089\u305aWeb\u4e0a\u306e\u5927\u304d\u306a\u554f\u984c\u3067\u3059\u3002TXT\u30ec\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u7121\u9632\u5099\u306a\u30c9\u30e1\u30a4\u30f3\u306b\u72d9\u3044\u3092\u5b9a\u3081\u308b\u30b9\u30d1\u30e0\u3068\u6226\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<a href=\"https:\/\/kinsta.com\/jp\/blog\/email-authentication\/\">\u30b9\u30d1\u30e0\u3068\u3057\u3066\u6271\u308f\u308c\u306a\u3044\u305f\u3081\u306e\u30e1\u30fc\u30eb\u8a8d\u8a3c\u306b\u3064\u3044\u3066\u306f\u3053\u3061\u3089<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n\n<h2 id=\"Essential-Acronyms-IP-and-DNS\">\u5927\u4e8b\u306a\u7528\u8a9e\u2014IP\u3068DNS<\/h2>\n<p>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u4e00\u5ea6\u3082\u898b\u305f\u3053\u3068\u304c\u306a\u3044\u5834\u5408\u306b\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/mykinsta\/\">MyKinsta\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9<\/a>\u304b\u3089\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u8868\u793a\u3059\u308b\u306b\u306f\u3001\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306e\u5de6\u5074\u306b\u3042\u308b\u300c\u30b5\u30a4\u30c8\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u300c\u60c5\u5831\u300d\u30bf\u30d6\u3092\u9078\u629e\u3057\u307e\u3059\u3002\u3059\u308b\u3068\u3001\u30a6\u30a7\u30d6\u4e0a\u3067\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u8b58\u5225\u3059\u308b\u305f\u3081\u306e\u57fa\u672c\u60c5\u5831\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3061\u306a\u307f\u306b\u3001\u307e\u3060\u306e\u5834\u5408\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/wordpress-domains\/dns\/\">Kinsta\u3092\u4f7f\u3063\u3066\u3001\u65e2\u306b\u304a\u6301\u3061\u306e\u30c9\u30e1\u30a4\u30f3\u3092\u63a5\u7d9a\u3059\u308b\u65b9\u6cd5<\/a>\u3082\u3054\u89a7\u4e0b\u3055\u3044\u3002<\/p>\n<figure id=\"attachment_78432\" aria-describedby=\"caption-attachment-78432\" style=\"width: 1767px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-78432 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2020\/08\/ip-address-mykinsta.png\" alt=\"WordPress\u30b5\u30a4\u30c8\u306eIP\u30a2\u30c9\u30ec\u30b9\uff08MyKinsta\u3067\u306e\u8868\u793a\uff09\" width=\"1767\" height=\"653\"><figcaption id=\"caption-attachment-78432\" class=\"wp-caption-text\">WordPress\u30b5\u30a4\u30c8\u306eIP\u30a2\u30c9\u30ec\u30b9\uff08MyKinsta\u3067\u306e\u8868\u793a\uff09<\/figcaption><\/figure>\n<p>IP\u30a2\u30c9\u30ec\u30b9\u306f\u96fb\u8a71\u756a\u53f7\u306b\u4f3c\u3066\u3044\u307e\u3059\u3002\u3044\u3064\u304b\u306f\u756a\u53f7\u304c\u8db3\u308a\u306a\u304f\u306a\u308a\u3001\u305d\u308c\u3092\u6271\u3046\u30b7\u30b9\u30c6\u30e0\u3092\u5909\u66f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002IP\u30a2\u30c9\u30ec\u30b9\u3082\u540c\u3058\u3067\u3059\u3002IPv6\u306e\u5c0e\u5165\u306b\u3088\u308a\u3001\u3055\u3089\u306b\u591a\u304f\u306eWeb\u30b5\u30a4\u30c8\u306bIP\u30a2\u30c9\u30ec\u30b9\u3092\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3057\u305f\u3002Web\u306e\u62e1\u5927\u306b\u4f34\u3044\u3001IPv4\u306b\u3042\u308bIP\u30a2\u30c9\u30ec\u30b9\u3067\u306f\u9593\u306b\u5408\u308f\u306a\u304f\u306a\u3063\u305f\u3068\u3044\u3046\u3053\u3068\u3067\u3059\uff01<\/p>\n<p>\u3053\u3093\u306a\u8a71\u3092\u805e\u3044\u305f\u3053\u3068\u306f\u3042\u308b\u3067\u3057\u3087\u3046\u304b\u3002<a href=\"https:\/\/kinsta.com\/jp\/blog\/dedicated-ip-address\/\">\u56fa\u5b9aIP\u30a2\u30c9\u30ec\u30b9\u3068\u5171\u6709IP\u30a2\u30c9\u30ec\u30b9<\/a>\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u5c02\u7528IP\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u56fa\u5b9a\u96fb\u8a71\u3084\u643a\u5e2f\u96fb\u8a71\u756a\u53f7\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002\u3042\u306a\u305f\u3001\u3064\u307e\u308a\u3001\u3042\u306a\u305f\u306e\u30b5\u30a4\u30c8\u306b\u56fa\u6709\u306e\u3082\u306e\u304c\u4e0e\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u5171\u6709IP\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u305d\u306e\u540d\u304c\u793a\u3059\u3088\u3046\u306b\u3001\u8907\u6570\u306e\u30b5\u30a4\u30c8\u3067\u5171\u6709\u3055\u308c\u307e\u3059\u3002\u5171\u6709IP\u30a2\u30c9\u30ec\u30b9\u306f\u3001WordPress\u3092\u4f7f\u7528\u3059\u308b\u30b5\u30a4\u30c8\u3067\u4e00\u822c\u7684\u3067\u3059\u3002\u3061\u306a\u307f\u306b\u3001\u5171\u6709IP\u30a2\u30c9\u30ec\u30b9\u3067\u3042\u3063\u3066\u3082\u300c\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u304c\u4ed6\u306e\u30ea\u30bd\u30fc\u30b9\u3082\u5171\u6709\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u300d\u306e\u3067\u3001\u52d8\u9055\u3044\u3057\u306a\u3044\u3088\u3046\u306b\u3054\u6ce8\u610f\u304f\u3060\u3055\u3044\u3002Kinsta\u3067\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-performance\/#kinstas-infrastructure-and-the-new-gcp-computeoptimized-vms-c2\">LXD\u30de\u30cd\u30fc\u30b8\u30c9\u30db\u30b9\u30c8\u3068LXC\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30b3\u30f3\u30c6\u30ca<\/a>\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2 id=\"How-DNS-and-Nameservers-Link-Together\">DNS\u3068\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u3092\u63a5\u7d9a\u3059\u308b\u65b9\u6cd5<\/h2>\n<p>\u3053\u3053\u307e\u3067\u3067\u3001\u30b5\u30a4\u30c8\u306eIP\u30a2\u30c9\u30ec\u30b9\u304c\u4f55\u3067\u3042\u308b\u304b\u3001\u305d\u3057\u3066\u3001\u3053\u308c\u304cDNS\u3068\u3069\u306e\u3088\u3046\u306b\u95a2\u4fc2\u3057\u3066\u3044\u308b\u304b\u3092\u3054\u7406\u89e3\u3044\u305f\u3060\u3051\u305f\u306f\u305a\u3067\u3059\u3002\u6b21\u306b\u8003\u3048\u308b\u3079\u304d\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-a-nameserver\/\">\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc<\/a>\u3067\u3059\u3002<\/p>\n<p>\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e<a href=\"https:\/\/kinsta.com\/blog\/how-much-does-a-domain-name-cost\/\">\u30c9\u30e1\u30a4\u30f3\u540d<\/a>\u3068IP\u30a2\u30c9\u30ec\u30b9\uff08\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u4e0a\u3067\u306e\u5834\u6240\uff09\u306e\u9593\u3067\u6a4b\u6e21\u3057\u306e\u5f79\u5272\u3092\u679c\u305f\u3059\u3001\u4e0d\u53ef\u6b20\u306a\u5b58\u5728\u3067\u3059\u3002\u6a29\u5a01DNS\u30b5\u30fc\u30d0\u30fc\u3068\u547c\u3070\u308c\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u7279\u5b9a\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30c9\u30e1\u30a4\u30f3\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306b\u3001\u30b5\u30a4\u30c8\u8a2a\u554f\u8005\u306e\u4f7f\u7528\u3059\u308b\u30d6\u30e9\u30a6\u30b6\u306f\u3001DNS\u3092\u4f7f\u7528\u3057\u3066\u30c9\u30e1\u30a4\u30f3\u306e\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u3092\u63a2\u3057\u307e\u3059\u3002\u3053\u306e\u969b\u306b\u306f\u3001A\u30ec\u30b3\u30fc\u30c9\u3068\u3044\u3046\u60c5\u5831\u6b04\u304c\u53c2\u7167\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>A\u30ec\u30b3\u30fc\u30c9\u304b\u3089\u3001\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u3061\u306a\u307f\u306b\u3001\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u304cIPv4\u3067\u306f\u306a\u304fIPv6\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001A\u30ec\u30b3\u30fc\u30c9\u306e\u4ee3\u308f\u308a\u306bDNS AAAA\u30ec\u30b3\u30fc\u30c9\u304c\u53c2\u7167\u3055\u308c\u308b\u306e\u3067\u3054\u6ce8\u610f\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u306f\u901a\u5e38\u3001\u30c9\u30e1\u30a4\u30f3\u8cfc\u5165\u6642\u306b<a href=\"https:\/\/kinsta.com\/jp\/blog\/best-domain-registrar\/\">\u30c9\u30e1\u30a4\u30f3\u30ec\u30b8\u30b9\u30c8\u30e9<\/a>\uff08\u767b\u9332\u4e8b\u696d\u8005\uff09\u306e\u4f7f\u7528\u3059\u308b\u3082\u306e\u306b\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002\u4e00\u822c\u7684\u306b\u306f\u3001\u3053\u306e\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u3092\u3054\u5229\u7528\u306e<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/wordpress-domains\/dns\/\">\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc<\/a>\u306b\u3042\u308f\u305b\u3066\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u5909\u66f4\u3092\u884c\u3046\u306b\u306f\u3001\u30b5\u30a4\u30c8\u306eDNS\u30d5\u30a1\u30a4\u30eb\u3092\u7de8\u96c6\u3057\u307e\u3059\u3002<\/p>\n<p>\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30a6\u30a7\u30d6\u5168\u4f53\u306e\u4ea4\u901a\u6574\u7406\u3092\u3059\u308b\u8b66\u5bdf\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3042\u308a\u3001\u30b5\u30a4\u30c8\u8a2a\u554f\u8005\u306e\u30d6\u30e9\u30a6\u30b6\u306b\u5bfe\u3057\u3066\u9069\u5207\u306a\u30c9\u30e1\u30a4\u30f3\u304c\u884c\u304d\u5c4a\u304f\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u3092\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u304c\u4f7f\u7528\u3059\u308b\u3082\u306e\u306b\u5909\u66f4\u3059\u308b\u3068\u3001DNS\u306b\u5bfe\u3059\u308b\u305d\u306e\u5f8c\u306e\u5909\u66f4\u306f\u5168\u3066\u3001\u5143\u306e\u30c9\u30e1\u30a4\u30f3\u30ec\u30b8\u30b9\u30c8\u30e9\u306e\u305d\u308c\u3067\u306f\u306a\u304f\u3001\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u306b\u53cd\u6620\u3055\u308c\u307e\u3059\u306e\u3067\u3054\u6ce8\u610f\u4e0b\u3055\u3044\u3002\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3067\u4f7f\u7528\u3057\u3066\u3044\u308b\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u304c\u308f\u304b\u3089\u306a\u3044\u5834\u5408\u306f\u3001<a href=\"https:\/\/www.whois.com\/whois\/\">Whois\u78ba\u8a8d\u30c4\u30fc\u30eb<\/a>\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_78434\" aria-describedby=\"caption-attachment-78434\" style=\"width: 725px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-78434 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2020\/08\/whois.png\" alt=\"Whois\u60c5\u5831\u304b\u3089\u4f7f\u7528\u3057\u3066\u3044\u308b\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u3092\u78ba\u8a8d\u3059\u308b\" width=\"725\" height=\"413\"><figcaption id=\"caption-attachment-78434\" class=\"wp-caption-text\">Whois\u60c5\u5831\u304b\u3089\u4f7f\u7528\u3057\u3066\u3044\u308b\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u3092\u78ba\u8a8d\u3059\u308b<\/figcaption><\/figure>\n<h2 id=\"What-is-DNS-Lookup?\">DNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u3068\u306f\uff1f<\/h2>\n<p>\u30b5\u30a4\u30c8\u3092\u691c\u7d22\u3059\u308b\u3068\u304d\u306e\u3053\u3068\u3092\u8003\u3048\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u30a8\u30f3\u30bf\u30fc\u30ad\u30fc\u3092\u62bc\u3057\u3066\u304b\u3089\u30d6\u30e9\u30a6\u30b6\u306b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u304c\u8868\u793a\u3055\u308c\u308b\u307e\u3067\u306b\u304b\u304b\u308b\u6642\u9593\u306f\u3001DNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u3068\u5927\u304d\u304f\u95a2\u4fc2\u3057\u3066\u3044\u307e\u3059\u3002\u3054\u5b58\u77e5\u306e\u3068\u304a\u308a\u3001<a href=\"https:\/\/kinsta.com\/jp\/learn\/speed-up-wordpress\/\">\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u304c\u7d20\u65e9\u304f\u8868\u793a\u3055\u308c\u308b\u306b\u8d85\u3057\u305f\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093<\/a>\u3002<\/p>\n<p>\u8ab0\u304b\u304c\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u30d6\u30e9\u30a6\u30b6\u306b\u5165\u529b\u3059\u308b\u3068\u3001\u305d\u306e\u30b5\u30a4\u30c8\u306e\u300c\u5834\u6240\u63a2\u3057\u300d\u304c\u59cb\u307e\u308a\u307e\u3059\u3002\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u7d10\u4ed8\u3051\u3089\u308c\u305fDNS\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u3001\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u3084IP\u30a2\u30c9\u30ec\u30b9\u306a\u3069\u306e\u60c5\u5831\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_77887\" aria-describedby=\"caption-attachment-77887\" style=\"width: 968px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/kinsta.com\/wp-content\/uploads\/2020\/08\/DNS-Propagtion-How-A-website-Is-Found-Using-DNS-Lookup-1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-77887 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2020\/08\/DNS-Propagtion-How-A-website-Is-Found-Using-DNS-Lookup-1.png\" alt=\"DNS\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u304c\u691c\u7d22\u3055\u308c\u308b\u305f\u3073\u306b\u9069\u5207\u306a\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u304c\u914d\u4fe1\u3055\u308c\u308b\u3088\u3046\u306b\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u308b\uff08\u753b\u50cf\u53c2\u7167\u5143\uff1a\" width=\"968\" height=\"900\"><\/a><figcaption id=\"caption-attachment-77887\" class=\"wp-caption-text\">DNS\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u304c\u691c\u7d22\u3055\u308c\u308b\u305f\u3073\u306b\u9069\u5207\u306a\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u304c\u914d\u4fe1\u3055\u308c\u308b\u3088\u3046\u306b\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u308b\uff08\u753b\u50cf\u53c2\u7167\u5143\uff1a <a href=\"https:\/\/wiki.jolt.co.uk\/tips-tricks\/understanding-dns-propagation\/\">Jolt Wiki<\/a>)<\/figcaption><\/figure>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/pingdom-speed-test\/\">Pingdom<\/a>\u306a\u3069\u306e\u30b5\u30a4\u30c8\u901f\u5ea6\u30c6\u30b9\u30c8\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3001DNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u306e\u52d5\u4f5c\u3092\u78ba\u8a8d\u3057\u3001\u3053\u306e\u4f5c\u696d\u306e\u901f\u5ea6\u304c<a href=\"https:\/\/kinsta.com\/jp\/blog\/debugging-wordpress-performance\/\">\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/a>\u306b\u3069\u306e\u3088\u3046\u306b\u5f71\u97ff\u3059\u308b\u304b\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3042\u3089\u3086\u308b\u8981\u7d20\u3068\u540c\u3058\u3088\u3046\u306b\u3001DNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u306e\u901f\u5ea6\u3082\u7ba1\u7406\u3067\u304d\u305f\u3089\u7d20\u6575\u3067\u3059\u3088\u306d\u3002\u5b9f\u969b\u3001<a href=\"https:\/\/kinsta.com\/blog\/reduce-dns-lookups\/\">DNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u306b\u304b\u304b\u308b\u6642\u9593\u3092\u524a\u6e1b<\/a>\u3059\u308b\u306b\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2 id=\"What-is-DNS-Propagation?\">DNS\u306e\u4f1d\u64ad\uff08\u6d78\u900f\uff09\u3068\u306f\uff1f<\/h2>\n<p>\u5fc5\u8981\u306a\u57fa\u790e\u77e5\u8b58\u3092\u7372\u5f97\u3057\u305f\u3068\u3053\u308d\u3067\u3001\u4eca\u5ea6\u306f\u300cDNS\u306e\u4f1d\u64ad\u300d\u3068\u306f\u4f55\u304b\u3001\u305d\u3057\u3066\u3001\u3053\u308c\u304c\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u3069\u306e\u3088\u3046\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u306e\u304b\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eDNS\u306b\u5909\u66f4\u3092\u52a0\u3048\u3066\u3082\uff08\u4f8b\u3048\u3070\u3001\u30b5\u30a4\u30c8\u3092\u5225\u306e\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u79fb\u884c\u3059\u308b\u6642\u306a\u3069\uff09\u305d\u306e\u5185\u5bb9\u306f\u3001\u3059\u3050\u306b\u306f\u53cd\u6620\u3055\u308c\u307e\u305b\u3093\u3002\u66f4\u65b0\uff08\u3044\u308f\u3086\u308b\u4f1d\u64ad\u307e\u305f\u306f\u6d78\u900f\uff09\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u306b\u3042\u308b\u7a0b\u5ea6\u306e\u6642\u9593\u304c\u304b\u304b\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u300cDNS\u6d78\u900f\u306b\u304b\u304b\u308b\u6642\u9593\u300d\u3067\u3059\u3002<\/p>\n<p>\u30b5\u30a4\u30c8\u306e\u69cb\u7bc9\u3084\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u306e\u65b9\u6cd5\u304c\u5343\u5dee\u4e07\u5225\u3067\u3042\u308b\u305f\u3081\u3001DNS\u4f1d\u64ad\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u306e\u6c7a\u307e\u3063\u305f\u6642\u9593\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u306e\u597d\u4f8b\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-ttl\/\">TTL\uff08Time To Live\uff09<\/a>\u3067\u3059\u3002TTL\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u6839\u672c\u7684\u306a\u5f71\u97ff\u3092\u53ca\u307c\u3057\u307e\u3059\u3002\u305d\u3057\u3066DNS\u30ec\u30b3\u30fc\u30c9\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u305fTTL\u5024\u306f\u3001DNS\u4f1d\u64ad\u901f\u5ea6\u3092\u5de6\u53f3\u3057\u307e\u3059\u3002<\/p>\n<h2 id=\"How-Long-Does-DNS-Propagation-Usually-Take?\">DNS\u306e\u4f1d\u64ad\uff08\u6d78\u900f\uff09\u306b\u306f\u5b9f\u969b\u3069\u306e\u304f\u3089\u3044\u6642\u9593\u304c\u304b\u304b\u308b\u306e\u304b<\/h2>\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001DNS\u30ec\u30b3\u30fc\u30c9\u306e\u5927\u534a\u306eTTL\u306f\u30011\u301c4\u6642\u9593\u3068\u3044\u3063\u305f\u3068\u3053\u308d\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/wordpress-domains\/dns\/\">Kinsta\u3067\u30c9\u30e1\u30a4\u30f3\u306e\u63a5\u7d9a\u3092\u884c\u3046<\/a>\u3068\u81ea\u5206\u3067TTL\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Kinsta\u3067\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eTTL\u30921\u6642\u9593\u306b\u8a2d\u5b9a\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\uff09\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u304c\u53ef\u80fd\u306a\u9650\u308a\u9ad8\u901f\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_77888\" aria-describedby=\"caption-attachment-77888\" style=\"width: 1500px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/kinsta.com\/wp-content\/uploads\/2020\/08\/DNS-Propagation-kinstadns-Add-A-DNS-Record-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-77888 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2020\/08\/DNS-Propagation-kinstadns-Add-A-DNS-Record-1.jpg\" alt=\"TTL\u3092\u77ed\u304f\u3059\u308b\u3053\u3068\u3067\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u6642\u9593\u3092\u77ed\u7e2e\" width=\"1500\" height=\"1126\"><\/a><figcaption id=\"caption-attachment-77888\" class=\"wp-caption-text\">TTL\u3092\u77ed\u304f\u3059\u308b\u3053\u3068\u3067\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u6642\u9593\u3092\u77ed\u7e2e<\/figcaption><\/figure>\n<p>\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u3082TTL\u306e\u5024\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3053\u3068\u304c\u3042\u308a\u3001\u3072\u3044\u3066\u306f<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-caching-plugins\/\">\u30b5\u30a4\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u6642\u9593<\/a>\u3092\u5de6\u53f3\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002Kinsta\u306fDNS\u4f1d\u64ad\u901f\u5ea6\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3057\u307e\u305b\u3093\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u30c9\u30e1\u30a4\u30f3\u3092Kinsta\u306b\u79fb\u884c\u3059\u308b\u6642\u306b\u306f\u3001\u5b9f\u969b\u306b<a href=\"https:\/\/kinsta.com\/jp\/wordpress-hosting\/migration\/\">\u79fb\u884c\u3092\u958b\u59cb\u3059\u308b\u524d\u306b<\/a>TTL\u3092\u4f4e\u304f\u3059\u308b\u3053\u3068\u3067\u3001\u53ef\u80fd\u306a\u9650\u308a\u8fc5\u901f\u306a\u4f1d\u64ad\u306e\u5b8c\u4e86\u3092\u5f8c\u62bc\u3057\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3 id=\"How-do-I-Know-If-My-DNS-Is-Propagating?\">DNS\u4f1d\u64ad\u304c\u5b8c\u4e86\u3057\u305f\u304b\u3069\u3046\u304b\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5<\/h3>\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306f\u3001\u8a00\u308f\u3070\u3001\u81a8\u5927\u306a\u6570\u306e\u30b5\u30fc\u30d0\u30fc\u3067\u69cb\u6210\u3055\u308c\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u3059\u3002\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eDNS\u30ec\u30b3\u30fc\u30c9\u306f\u3001\u305f\u304f\u3055\u3093\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4f1d\u64ad\u306f\u3001\u305d\u306e\u3088\u3046\u306a\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u305fDNS\u30d5\u30a1\u30a4\u30eb\u304c\u3059\u3079\u3066\u66f4\u65b0\u3055\u308c\u305f\u3068\u304d\u306b\u306f\u3058\u3081\u3066\u5b8c\u4e86\u3057\u307e\u3059\u3002<\/p>\n<p>\u3060\u304b\u3089\u3053\u305d\u3001\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u3001<strong>DNS<\/strong>\u306e\u4f1d\u64ad\u306b\u6570\u6642\u9593\u301c\u6570\u65e5\u304b\u304b\u308b\u3053\u3068\u304c\u3042\u308b\u306e\u3067\u3059\u3002\u6642\u9593\u306b\u654f\u611f\u3067\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u5f97\u308bDNS\u30d5\u30a1\u30a4\u30eb\u306e\u5909\u66f4\u3092\u52a0\u3048\u308b\u5834\u5408\u306f\u3001\u3053\u306e\u70b9\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>DNS\u306e\u4f1d\u64ad\u304c\u5b8c\u4e86\u3057\u305f\u304b\u3069\u3046\u304b\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001 <a href=\"https:\/\/www.whatsmydns.net\/\">whatsmydns.net<\/a>\u3068\u3044\u3046\u30c4\u30fc\u30eb\u304c\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<h4 id=\"Pointing-Your-DNS-To-Kinsta\">Kinsta\u3067\u30c9\u30e1\u30a4\u30f3\u306e\u63a5\u7d9a\u3092\u884c\u3046<\/h4>\n<p>\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u5909\u66f4\uff08\u30b5\u30a4\u30c8\u306e\u5f15\u3063\u8d8a\u3057\uff09\u6642\u306b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eDNS\u30d5\u30a1\u30a4\u30eb\u304c\u6d3b\u8e8d\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001<a href=\"https:\/\/kinsta.com\/jp\/pricing\/\">Kinsta\u306b\u4e57\u308a\u63db\u3048\u308b<\/a>\u969b\u306e\u8a2d\u5b9a\u65b9\u6cd5\u306f\u8907\u6570\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/wordpress-domains\/dns\/#a-record\">DNS\u306eA\u30ec\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3059\u308b<\/a>\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<p>\u4e8c\u3064\u76ee\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/wordpress-domains\/dns\/#nameservers\">\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc<\/a>\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002\u3053\u3061\u3089\u306e\u9ad8\u6027\u80fdDNS\u306b\u3064\u3044\u3066\u306f\u4ee5\u4e0b\u3092\u3054\u89a7\u4e0b\u3055\u3044\u3002<\/p>\n<p>\u4e8c\u3064\u76ee\u306e\u65b9\u6cd5\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001DNS\u3092\u3088\u308a\u7d30\u304b\u304f\u5236\u5fa1\u3067\u304d\u307e\u3059\u3002Kinsta\u306f\u3001\u30b0\u30ed\u30fc\u30d0\u30eb\u30a8\u30cb\u30fc\u30ad\u30e3\u30b9\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u3042\u308b<a href=\"https:\/\/kinsta.com\/jp\/blog\/premium-dns\/#set-up-premium-dns-kinsta\">Amazon Route 53<\/a>\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u304a\u5ba2\u69d8\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u7a3c\u50cd\u6642\u9593\u3092\u6700\u5927\u306b\u3057\u306a\u304c\u3089\u3001\u5f85\u6a5f\u6642\u9593\u3092\u77ed\u7e2e\u3057\u3001\u4e16\u754c\u30c8\u30c3\u30d7\u30af\u30e9\u30b9\u306e\u901f\u5ea6\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002\u3061\u306a\u307f\u306b\u3001Amazon Route 53\u3092\u7528\u3044\u305f\u9ad8\u6027\u80fdDNS\u306f\u3001Kinsta\u306e<a href=\"https:\/\/kinsta.com\/jp\/pricing\/\">\u5168\u30b5\u30fc\u30d0\u30fc\u30d7\u30e9\u30f3<\/a>\u306b\u6a19\u6e96\uff08\u7121\u6599\uff09\u3067\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_77889\" aria-describedby=\"caption-attachment-77889\" style=\"width: 1500px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/kinsta.com\/wp-content\/uploads\/2020\/08\/DNS-Propagation-Wykinsta-Add-Domains-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-77889 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2020\/08\/DNS-Propagation-Wykinsta-Add-Domains-1.jpg\" alt=\"MyKinsta\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u304b\u3089\u30c9\u30e1\u30a4\u30f3\u3092\u8ffd\u52a0\" width=\"1500\" height=\"722\"><\/a><figcaption id=\"caption-attachment-77889\" class=\"wp-caption-text\">MyKinsta\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u304b\u3089\u30c9\u30e1\u30a4\u30f3\u3092\u8ffd\u52a0<\/figcaption><\/figure>\n<h2 id=\"Troubleshooting-How-To-Flush-Your-DNS-Cache\">\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u2014DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u65b9\u6cd5<\/h2>\n<p>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eDNS\u30d5\u30a1\u30a4\u30eb\u306b\u5909\u66f4\u3092\u52a0\u3048\u3001DNS\u306e\u4f1d\u64ad\u304c\u5b8c\u4e86\u3057\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3057\u305f\u3082\u306e\u306e\u2026\u5b9f\u969b\u306b\u30b5\u30a4\u30c8\u3092\u898b\u308b\u3068\u3001\u5909\u66f4\u304c\u53cd\u6620\u3055\u308c\u3066\u3044\u306a\u3044\u3002<\/p>\n<p>\u305d\u3093\u306a\u6642\u306b\u306f\u3001DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u554f\u984c\u3092\u7591\u3046\u3079\u304d\u3067\u3059\u3002<\/p>\n<p>\u30d6\u30e9\u30a6\u30b6\u306f\u95b2\u89a7\u3057\u305f\u30b5\u30a4\u30c8\u306e\u30c7\u30fc\u30bf\u3092\u8a18\u61b6\u3057\u307e\u3059\u3002\u524d\u306b\u8a2a\u308c\u305f\u3053\u3068\u306e\u3042\u308b\u30da\u30fc\u30b8\u3092\u958b\u304d\u3001\u8aad\u307f\u8fbc\u307f\u304c\u5c11\u3057\u901f\u304f\u306a\u3063\u3066\u3044\u308b\u2026\u3068\u611f\u3058\u305f\u3053\u3068\u306f\u3042\u308a\u307e\u3059\u304b\uff1f\u3053\u308c\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u304c<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-cache\/\">\u30b5\u30a4\u30c8\u306e\u5834\u6240\u3092\u8a18\u61b6\uff08\u30ad\u30e3\u30c3\u30b7\u30e5\uff09<\/a>\u3057\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u30b5\u30a4\u30c8\u306e\u30db\u30b9\u30c8\u3055\u308c\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u306e\u5834\u6240\u3092\u63a2\u3059\u5fc5\u8981\u304c\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u3088\u3063\u3066\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eIP\u30a2\u30c9\u30ec\u30b9\u3001\u30db\u30b9\u30c8\u540d\u3001\u304a\u3088\u3073DNS A\u307e\u305f\u306fAAAA\u30ec\u30b3\u30fc\u30c9\u304c\u4e00\u6642\u7684\u306b\u4fdd\u5b58\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/flush-dns\/\">\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eDNS\u30ad\u30e3\u30c3\u30b7\u30e5<\/a>\u306f\u3001\u30b5\u30a4\u30c8\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u4fdd\u5b58\u3059\u308b\u6642\u3068\u540c\u3058\u3088\u3046\u306b\u6a5f\u80fd\u3057\u307e\u3059\u3002\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u554f\u984c\u304c\u3042\u308b\u5834\u5408\u306b\u306f\u3001DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u7834\u640d\u3057\u3066\u3044\u308b\u304b\u3001DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u542b\u307e\u308c\u308b\u30c7\u30fc\u30bf\u304c\u6b63\u3057\u304f\u66f4\u65b0\u3055\u308c\u3066\u3044\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/kinsta.com\/blog\/dns-server-not-responding\/\">DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30af\u30ea\u30a2<\/a>\u3068\u306f\u3064\u307e\u308a\u3001\u3053\u306e\u30c7\u30fc\u30bf\u3092\u7a7a\u306b\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u7ba1\u7406\u306b\u969b\u3057\u3066\u767a\u751f\u3059\u308b\u554f\u984c\u306e\u591a\u304f\u3092\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u65b9\u6cd5\u306f\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\uff08OS\uff09\u3054\u3068\u306b\u7570\u306a\u308a\u307e\u3059\u3002\u4f7f\u7528\u3057\u3066\u3044\u308bOS\u3054\u3068\u306b\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/flush-dns\/#windows\">Windows<\/a><\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/flush-dns\/#macos\">MacOS<\/a><\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/flush-dns\/#linux\">Linux<\/a><\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/flush-dns\/#chrome\">Chrome<\/a><\/li>\n<\/ul>\n<p>\u7279\u306b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u5909\u66f4\u6642\u306b\u306f\u3001\u30b5\u30a4\u30c8\u306eDNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u4e00\u5ea6\u30af\u30ea\u30a2\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001DNS A\u30ec\u30b3\u30fc\u30c9\u306b\u5909\u66f4\u3092\u52a0\u3048\u308b\u5834\u5408\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u3053\u3068\u3067\u3001\u5909\u66f4\u53cd\u6620\u5f8c\u306e\u30b5\u30a4\u30c8\u3092\u78ba\u8a8d\u3057\u3001<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/wordpress-migrations\/migrating-to-kinsta\/#request-a-free-basic-migration\">\u79fb\u884c<\/a>\u5b8c\u4e86\u5f8c\u306e\u6b63\u3057\u3044\u8868\u793a\u304c\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>DNS\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/h2>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-security\/\">WordPress\u30b5\u30a4\u30c8\u306f\u3042\u3089\u3086\u308b\u7b56\u3092\u8b1b\u3058\u3066\u30bb\u30ad\u30e5\u30a2\u306b\u3057\u305f\u3044<\/a>\u3082\u306e\u3067\u3059\u3002\u30b5\u30a4\u30c8\u8a2a\u554f\u8005\u306f\u3001\u5b89\u5168\u306b\u4f7f\u7528\u3067\u304d\u308b\u3068\u3044\u3046\u5b89\u5fc3\u611f\u3092\u6c42\u3081\u3066\u3044\u307e\u3059\u3002DNS\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u3064\u3044\u3066\u8a00\u3048\u3070\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-a-ddos-attack\/\">DDoS<\/a>\uff08\u5206\u6563\u578b\u30b5\u30fc\u30d3\u30b9\u62d2\u5426\uff09\u653b\u6483\u306b\u306f\u3001\u7d30\u5fc3\u306e\u6ce8\u610f\u3092\u6255\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u5927\u898f\u6a21\u306aDNS\u653b\u6483\u304c2016\u5e7410\u670821\u65e5\u306b\u767a\u751f\u3057\u3001Twitter\u3084eBay\u306a\u3069\u4e16\u754c\u6700\u5927\u898f\u6a21\u306e\u30b5\u30a4\u30c8\u304c\u3044\u304f\u3064\u3082\u30c0\u30a6\u30f3\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u3092\u4e00\u7a2e\u306e<a href=\"https:\/\/www.catchpoint.com\/blog\/dyn-dns-outage-2016\">\u4e16\u754c\u306e\u7d42\u672b\u306b\u306a\u305e\u3089\u3048\u308b<\/a>\u4eba\u3082\u51fa\u305f\u307b\u3069\u3067\u3059\u3002\u3053\u306eDDoS\u653b\u6483\u306f\u3001\u5927\u624b\u30aa\u30f3\u30e9\u30a4\u30f3\u30b5\u30a4\u30c8\u306e\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u3092\u6a19\u7684\u306b\u3057\u307e\u3057\u305f\u3002\u3053\u3053\u307e\u3067\u3067\u5b66\u7fd2\u3057\u305f\u3088\u3046\u306b\u3001\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u304c\u6a5f\u80fd\u3057\u306a\u3044\u3068\u3001DNS\u306f\u30e6\u30fc\u30b6\u30fc\u306e\u30d6\u30e9\u30a6\u30b6\u304b\u3089\u8981\u6c42\u3055\u308c\u3066\u3044\u308b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>WordPress\u30b5\u30a4\u30c8\u3078\u306e<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-security\/#ddos-protection\">DDoS\u653b\u6483<\/a>\u3092\u56de\u907f\u3059\u308b\uff08\u307e\u305f\u306f\u5c11\u306a\u304f\u3068\u3082\u8efd\u6e1b\u3059\u308b\uff09\u305f\u3081\u306b\u3001\u3067\u304d\u308b\u3053\u3068\u306f\u3044\u304f\u3064\u3082\u3042\u308a\u307e\u3059\u3002\u307e\u305a\u306f<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-security\/#secure-wordpress-hosting\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316\u7b56\u306e\u6574\u3063\u305fWordPress\u5411\u3051\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc<\/a>\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304b\u3089\u3002<\/p>\n<p>Kinsta\u3067\u306f\u3001\u304a\u5ba2\u69d8\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u91cd\u8981\u8996\u3057\u3066\u3044\u307e\u3059\u3002\u30b5\u30a4\u30c8\u306e\u5b89\u5168\u6027\u3092\u5f15\u304d\u4e0a\u3052\u308b\u6570\u3042\u308b\u65b9\u7b56\u306e1\u3064\u304c\u3001<a href=\"https:\/\/kinsta.com\/jp\/docs\/user-settings\/logging-in\/#enable-twofactor-authentication-2fa\">2\u8981\u7d20\u8a8d\u8a3c\uff082FA\uff09<\/a>\u3067\u3059\u3002<\/p>\n<p>\u30aa\u30f3\u30e9\u30a4\u30f3\u30d0\u30f3\u30ad\u30f3\u30b0\u3092\u65e2\u306b\u304a\u4f7f\u3044\u3067\u3042\u308c\u3070\u99b4\u67d3\u307f\u6df1\u3044\u8a00\u8449\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u9280\u884c\u53e3\u5ea7\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u306b\u306f\u3001\u81ea\u5206\u304c\u672c\u4eba\u3067\u3042\u308b\u3053\u3068\u3092\u8a3c\u660e\u3059\u308b2\u3064\u4ee5\u4e0a\u306e\u60c5\u5831\u3092\u5165\u529b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002Kinsta\u306f\u3001\u540c\u69d8\u306e\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u7528\u3057\u3066\u3001\u5168\u3066\u306e\u304a\u5ba2\u69d8\u306e\u30b5\u30a4\u30c8\u306e\u5b88\u308a\u3092\u56fa\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>2FA\u306f\u3001WordPress\u30b5\u30a4\u30c8\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306e\u5927\u4e8b\u306a\u88c5\u5099\u306e\u4e00\u3064\u3067\u3059\u3002<a href=\"https:\/\/kinsta.com\/jp\/wordpress-market-share\/\">WordPress\u306f\u4e16\u754c\u7684\u306b\u975e\u5e38\u306b\u4eba\u6c17\u306e\u9ad8\u3044CMS<\/a>\u3067\u3042\u308b\u305f\u3081\u3001\u30cf\u30c3\u30ab\u30fc\u306f\u65e5\u591c\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-hacked\/\">WordPress\u306b\u72d9\u3044\u3092\u5b9a\u3081\u305f\u653b\u6483<\/a>\u306b\u7cbe\u3092\u51fa\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u653b\u6483\u306b\u5bfe\u3059\u308b\u7b2c\u4e00\u306e\u9632\u5fa1\u306f\u3001\u30b5\u30a4\u30c8\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3059\u308b\u30d1\u30b9\u30ef\u30fc\u30c9\u3067\u3059\u3002\u6050\u308d\u3057\u3044\u3053\u3068\u306b\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ec\u30d9\u30eb\u306e\u4f4e\u3044\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30b5\u30a4\u30c8\u306f\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u5b9f\u969b\u3001<a href=\"https:\/\/www.ncsc.gov.uk\/news\/most-hacked-passwords-revealed-as-uk-cyber-survey-exposes-gaps-in-online-security\">National Cyber Security Centre<\/a>\u306b\u3088\u308b\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u5e74\u6b21\u8abf\u67fb\u3067\u306f\u3001\u300c123456\u300d\u306b\u7d9a\u3044\u3066\u300cqwerty\u300d\u3084\u300cpassword\u300d\u304c\u672a\u3060\u306b\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u5224\u660e\u3057\u307e\u3057\u305f\u3002<\/p>\n<figure id=\"attachment_77890\" aria-describedby=\"caption-attachment-77890\" style=\"width: 1235px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/kinsta.com\/wp-content\/uploads\/2020\/08\/DNS-Propagation-Most-Used-Passwords-NCSC-2019-Survey-1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-77890 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2020\/08\/DNS-Propagation-Most-Used-Passwords-NCSC-2019-Survey-1.png\" alt=\"123456\u306f\u672a\u3060\u306b\u6700\u3082\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u3068\u3044\u3046\u4e8b\u5b9f\uff08\u753b\u50cf\u53c2\u7167\u5143\uff1aNCSC\uff09\" width=\"1235\" height=\"900\"><\/a><figcaption id=\"caption-attachment-77890\" class=\"wp-caption-text\">123456\u306f\u672a\u3060\u306b\u6700\u3082\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u3068\u3044\u3046\u4e8b\u5b9f\uff08\u753b\u50cf\u53c2\u7167\u5143\uff1aNCSC\uff09<\/figcaption><\/figure>\n<p>\u3042\u306a\u305f\u3060\u3051\u306e\u77e5\u3063\u3066\u3044\u308b2\u3064\u306e\u60c5\u5831\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u5b88\u308a\u3092\u4e00\u6c17\u306b\u56fa\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u3082\u3061\u308d\u3093\u3001DNS\u30d5\u30a1\u30a4\u30eb\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3057\u30b5\u30a4\u30c8\u3092\u30c0\u30a6\u30f3\u3055\u305b\u308b\u653b\u6483\u306b\u5bfe\u3059\u308b\u9632\u5fa1\u3067\u3059\u3002\u307b\u3068\u3093\u3069\u306e2FA\u3067\u306f\u3001SMS\u3092\u4f7f\u7528\u3057\u305f\u8a8d\u8a3c\u30b3\u30fc\u30c9\u306e\u9001\u4fe1\u304c\u63a1\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u3053\u308c\u304c\u7b2c\u4e8c\u306e\u5b88\u308a\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057Kinsta\u3067\u306f\u3001\u643a\u5e2f\u96fb\u8a71\u3092\u6a19\u7684\u3068\u3059\u308b\u653b\u6483\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u3055\u307e\u3056\u307e\u306a\u65b9\u6cd5\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u8a8d\u8a3c\u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u306e\u65b9\u6cd5\u3067\u306f\u3001Google Authenticator\u30011Password\u3001\u305d\u306e\u4ed62FA\u30a2\u30d7\u30ea\u3067<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-two-factor-authentication\/\">\u52d5\u7684\u306b\u751f\u6210\u3055\u308c\u308b\u30b3\u30fc\u30c9<\/a>\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u307e\u3060\u8a2d\u5b9a\u3092\u3057\u3066\u3044\u306a\u3044\u304a\u5ba2\u69d8\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/docs\/user-settings\/logging-in\/#enable-twofactor-authentication-2fa\">2\u8981\u7d20\u8a8d\u8a3c\uff082FA\uff09\u3092\u6709\u52b9\u306b\u3059\u308b\u65b9\u6cd5<\/a>\u3092\u3054\u89a7\u4e0b\u3055\u3044\u3002<\/p>\n<h2 id=\"Next-Generation-DNS\">\u6b21\u4e16\u4ee3\u306eDNS<\/h2>\n<p>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eDNS\u30d5\u30a1\u30a4\u30eb\u3092\u653b\u6483\u304b\u3089\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u3067\u304d\u308b\u3053\u3068\u3092\u3044\u304f\u3064\u304b\u3054\u7d39\u4ecb\u3057\u307e\u3057\u305f\u304c\u3001\u3055\u3089\u306b\u4e00\u6b69\u9032\u3080\u3053\u3068\u304c\u3067\u304d\u305f\u3089\u3069\u3046\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>\u4f01\u696d\u3067\u306e<a href=\"https:\/\/kinsta.com\/blog\/working-remotely\/\">\u30ea\u30e2\u30fc\u30c8\u30ef\u30fc\u30af<\/a>\u666e\u53ca\u306b\u3064\u308c\u3066\u3001\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u91cd\u8981\u6027\u306f\u65e5\u306b\u65e5\u306b\u5897\u3057\u3066\u3044\u307e\u3059\u3002IT\u30c1\u30fc\u30e0\u3084\u30e6\u30fc\u30b6\u30fc\u304c\u4eca\u5f8c\u3082\u30ea\u30e2\u30fc\u30c8\u3067\u306e\u4f5c\u696d\u3092\u7d9a\u3051\u308b\u5834\u5408\u306b\u306f\u7279\u306b\u3001WordPress\u30b5\u30a4\u30c8\u3068\u305d\u308c\u3092\u652f\u3048\u308bDNS\u30d5\u30a1\u30a4\u30eb\u3092\u5fb9\u5e95\u7684\u306b\u4fdd\u8b77\u3059\u308b\u3053\u3068\u304c\u5fc5\u9808\u3067\u3059\u3002<\/p>\n<p>Canopy\u306e\u5171\u540c\u5275\u8a2d\u8005\u3067\u3042\u308b<a href=\"https:\/\/medium.com\/@brianarmstrong\/youre-probably-doing-dns-wrong-like-we-were-6625efaed390#.an4a7zrs9\">Brian Armstrong<\/a>\u6c0f\u306f\u30012014\u5e74\u306e\u30d6\u30ed\u30b0\u8a18\u4e8b\u3067\u300c\u304a\u305d\u3089\u304f\u8aad\u8005\u306e\u7686\u3055\u3093\u3082\u3001\u79c1\u305f\u3061\u304c\u904e\u53bb\u306b\u7d4c\u9a13\u3057\u305f\u306e\u3068\u540c\u3058DNS\u306e\u9593\u9055\u3044\u3092\u72af\u3057\u3066\u3044\u308b\u300d\u3068\u8ff0\u3079\u3066\u3044\u307e\u3059\u3002\u5f7c\u306f\u3001\u30b5\u30a4\u30c8\u306eDNS\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3067\u3042\u308bDNSimple\u3092\u7121\u52b9\u306b\u3059\u308bDDoS\u653b\u6483\u3092\u53d7\u3051\u305f\u7d4c\u9a13\u3092\u6a5f\u306b\u3001\u3053\u306e\u8a18\u4e8b\u3092\u66f8\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>\u591a\u304f\u306e\u7121\u6599\u306eDNS\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304c\u9069\u5207\u306a\u4ed5\u4e8b\u3092\u3057\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30dd\u30b9\u30c8\u30b3\u30ed\u30ca\u306e\u4e16\u754c\u3067\u306f\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u3088\u308a\u91cd\u8981\u306b\u306a\u308b\u305f\u3081\u3001\u30b5\u30a4\u30c8\u3067\u4f7f\u7528\u3059\u308bDNS\u30b5\u30fc\u30d3\u30b9\u3092\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<p>Kinsta\u306f\u3001\u3059\u3079\u3066\u306e\u9ad8\u54c1\u8ceaDNS\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3092\u6bd4\u8f03\u691c\u8a0e\u3057\u305f\u7d50\u679c\u3001Amazon Route 53\u3068\u306e\u63d0\u643a\u3092\u9078\u629e\u3057\u307e\u3057\u305f\u3002DNS\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u3068\u30b8\u30aa\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u642d\u8f09\u3067\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u7a3c\u50cd\u3092\u652f\u3048\u307e\u3059\u3002<\/p>\n\n<h2>\u307e\u3068\u3081<\/h2>\n<p>DNS\u30d5\u30a1\u30a4\u30eb\u304c\u30b5\u30a4\u30c8\u3092\u3069\u306e\u3088\u3046\u306b\u652f\u3048\u3066\u3044\u308b\u306e\u304b\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/is-wordpress-secure\/\">\u5b89\u5168<\/a>\u3067\u3001\u52b9\u7387\u7684\u306a\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u7dad\u6301\u306e\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002DNS\u30d5\u30a1\u30a4\u30eb\u306b\u5909\u66f4\u3092\u52a0\u3048\u308b\u5834\u5408\u306f\u3001\u6ce8\u610f\u306e\u4e0a\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002DNS\u4f1d\u64ad\u306e\u4ed5\u7d44\u307f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u8981\u7d20\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u6700\u5c0f\u9650\u306e\u9045\u5ef6\u3067\u30b5\u30a4\u30c8\u3092\u66f4\u65b0\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>DNS\u306e\u4f1d\u64ad\u306f\u3001\u9069\u5207\u306a<a href=\"https:\/\/kinsta.com\/blog\/wordpress-maintenance\/\">\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9<\/a>\u306b\u6b20\u304b\u305b\u307e\u305b\u3093\u3002\u305d\u3057\u3066DNS\u306e\u4f1d\u64ad\u3092\u52b9\u7387\u5316\u3059\u308b\u305f\u3081\u306b\u306f\u3001TTL\u5024\u3092\u5358\u306b\u4f4e\u304f\u8a2d\u5b9a\u3059\u308b\u3060\u3051\u3067\u306f\u4e0d\u5341\u5206\u3067\u3059\u3002<\/p>\n<p>\u30a6\u30a7\u30d6\u304c\u9032\u5316\u3057\u3001\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u306e\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u304c\u62e1\u5927\u3059\u308b\u4e2d\u3067\u3001DNS\u306f\u30b7\u30b9\u30c6\u30e0\u5186\u6ed1\u5316\u306e\u305f\u3081\u306e\u91cd\u8981\u306a\u6b6f\u8eca\u306e\u4e00\u90e8\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u305d\u3057\u3066\u3001\u3059\u3079\u3066\u306eDNS\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304c\u540c\u3058\u3068\u3044\u3046\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u4eca\u307e\u3067\u7121\u6599\u306eDNS\u30b5\u30fc\u30d3\u30b9\u3092\u6570\u5e74\u9593\u3001\u4f55\u306e\u554f\u984c\u3082\u306a\u304f\u4f7f\u7528\u3057\u3066\u304d\u305f\u3067\u3057\u3087\u3046\u304b\u3002\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u91cd\u8981\u6027\u304c\u898b\u76f4\u3055\u308c\u308b\u4eca\u65e5\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u9577\u671f\u7684\u306a\u5b89\u5168\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/premium-dns\/\">\u30d7\u30ec\u30df\u30a2\u30e0DNS\u30b5\u30fc\u30d3\u30b9\u306b\u79fb\u884c<\/a>\u3059\u308b\u306e\u306f\u8ce2\u3044\u5224\u65ad\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>DNS\uff08\u30c9\u30e1\u30a4\u30f3\u30cd\u30fc\u30e0\u30b7\u30b9\u30c6\u30e0\u306e\u7565\uff09\u306f\u30a6\u30a7\u30d6\u4e0a\u306b\u3042\u308b &#8230;<\/p>\n","protected":false},"author":141,"featured_media":31075,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kinsta_gated_content":false,"_kinsta_gated_content_redirect":"","footnotes":""},"tags":[47,27],"topic":[765,832],"class_list":["post-31066","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","tag-dns","tag-webhosting","topic-domain-name-system","topic-wordpress-performance"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.6 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