{"id":40994,"date":"2023-01-17T15:14:11","date_gmt":"2023-01-17T06:14:11","guid":{"rendered":"https:\/\/kinsta.com\/jp\/?p=40994&#038;post_type=knowledgebase&#038;preview_id=40994"},"modified":"2026-03-06T20:40:34","modified_gmt":"2026-03-06T11:40:34","slug":"err_name_not_resolved","status":"publish","type":"post","link":"https:\/\/kinsta.com\/jp\/blog\/err_name_not_resolved\/","title":{"rendered":"\u30106\u3064\u306e\u65b9\u6cd5\u3011\u300cERR_NAME_NOT_RESOLVED\u300d\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f"},"content":{"rendered":"<p>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u300cERR_NAME_NOT_RESOLVED\u300d\u3068\u3044\u3046\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u304c\u3002\u3053\u308c\u306f\u3001\u4f55\u304b\u3057\u3089\u306e\u539f\u56e0\u3067\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306b\u5230\u9054\u3067\u304d\u306a\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u81ea\u5206\u306e\u30b5\u30a4\u30c8\u3067\u3053\u306e\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u3068\u3001\u30b5\u30a4\u30c8\u306e\u4fe1\u983c\u6027\u304c\u4f4e\u4e0b\u3057\u3001\u6f5c\u5728\u9867\u5ba2\u3092\u9060\u3056\u3051\u3066\u3057\u307e\u3046\u6050\u308c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30a8\u30e9\u30fc\u306b\u306f\u3044\u304f\u3064\u304b\u89e3\u6c7a\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u8a2d\u5b9a\u30df\u30b9\u304c\u539f\u56e0\u306b\u306a\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u3059\u3050\u306b\u4fee\u6b63\u53ef\u80fd\u3067\u3059\u3002\u307e\u305f\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u8a2d\u5b9a\u306b\u3061\u3087\u3063\u3068\u3057\u305f\u5909\u66f4\u3092\u52a0\u3048\u3066\u89e3\u6c7a\u3067\u304d\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u300cERR_NAME_NOT_RESOLVED\u300d\u30a8\u30e9\u30fc\u3068\u305d\u306e\u539f\u56e0\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u6398\u308a\u4e0b\u3052\u3066\u3044\u304d\u307e\u3059\u3002\u305d\u308c\u304b\u3089\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3068Android\u7aef\u672b\u3067\u306e\u89e3\u6c7a\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u6700\u5f8c\u306b\u305d\u306e\u4ed6\u306e\u985e\u4f3c\u554f\u984c\uff08\u3068\u305d\u306e\u610f\u5473\uff09\u3082\u53d6\u308a\u4e0a\u3052\u307e\u3059\u3002<\/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<p><a href=\"https:\/\/www.youtube.com\/watch?v=_SxqY5mOdUo\" target=\"_blank\" rel=\"noopener noreferrer\">\u300cERR_NAME_NOT_RESOLVED\u300d\u30a8\u30e9\u30fc\u306e\u89e3\u6c7a\u65b9\u6cd5\u306f\u52d5\u753b\u3067\u3082\u3054\u89a7\u3044\u305f\u3060\u3051\u307e\u3059<\/a>\u3002<\/p>\n<kinsta-video src=\"https:\/\/www.youtube.com\/watch?v=_SxqY5mOdUo\"><\/kinsta-video>\n<h2>\u300cERR_NAME_NOT_RESOLVED\u300d\u30a8\u30e9\u30fc\u3068\u306f<\/h2>\n<p>\u300cERR_NAME_NOT_RESOLVED\u300d\u30a8\u30e9\u30fc\u306b\u3064\u3044\u3066\u89e6\u308c\u308b\u524d\u306b\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-dns\/\">\u30c9\u30e1\u30a4\u30f3\u30cd\u30fc\u30e0\u30b7\u30b9\u30c6\u30e0\uff08DNS\uff09<\/a>\u306b\u3064\u3044\u3066\u62bc\u3055\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002DNS\u3068\u306f\u3001\u30a6\u30a7\u30d6\u4e0a\u306b\u3042\u308b\u3001\u767b\u9332\u6e08\u307f\u30c9\u30e1\u30a4\u30f3\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u542b\u3093\u3060\u30a2\u30c9\u30ec\u30b9\u5e33\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>\u30c9\u30e1\u30a4\u30f3\u306f\u3001\u901a\u5e38<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-a-url\/\">\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30a2\u30c9\u30ec\u30b9\u307e\u305f\u306fURL<\/a>\u3067\u3059\uff08\u4f8b\uff1akinsta.com\uff09\u3002\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u306b\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u5165\u529b\u3059\u308b\u3068\u3001\u30d6\u30e9\u30a6\u30b6\u304cDNS\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5b9f\u884c\u3057\u3001\u30b5\u30a4\u30c8\u306e<a href=\"https:\/\/kinsta.com\/jp\/tools\/what-is-my-ip\/\">IP\u30a2\u30c9\u30ec\u30b9<\/a>\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n<p>DNS\u304cIP\u30a2\u30c9\u30ec\u30b9\u3092\u898b\u3064\u3051\u3089\u308c\u305a\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3067\u304d\u306a\u3044\u5834\u5408\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u300cERR_NAME_NOT_RESOLVED\u300d\u30a8\u30e9\u30fc\u3092\u8fd4\u3057\u307e\u3059\u3002\u305d\u306e\u969b\u3001\u4ee5\u4e0b\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3068\u4e00\u7dd2\u306b\u8868\u793a\u3055\u308c\u308b\u306e\u304c\u901a\u4f8b\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u3053\u306e\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u305b\u3093<\/li>\n<li>\u3053\u306e\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u305b\u3093<\/li>\n<\/ul>\n<p>\u3053\u306e\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u3068\u3001\u305d\u306e\u30b5\u30a4\u30c8\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u30a2\u30af\u30bb\u30b9\u304c\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u305d\u3057\u3066\u3001\u3053\u308c\u306f\u3042\u306a\u305f\u3060\u3051\u304c\u906d\u9047\u3057\u3066\u3044\u308b\u30a8\u30e9\u30fc\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2>\u300cERR_NAME_NOT_RESOLVED\u300d\u30a8\u30e9\u30fc\u306e\u539f\u56e0<\/h2>\n<p>\u300cERR_NAME_NOT_RESOLVED\u300d\u30a8\u30e9\u30fc\u306f\u3001\u901a\u5e38\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u307e\u305f\u306f\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306b\u554f\u984c\u304c\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u5408\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u30b5\u30a4\u30c8\u306eIP\u30a2\u30c9\u30ec\u30b9\u304c\u5909\u66f4\u3057\u3066\u3044\u3066\u3001\u30d6\u30e9\u30a6\u30b6\u304c<a href=\"https:\/\/kinsta.com\/blog\/what-is-cached-data\/\">\u30ad\u30e3\u30c3\u30b7\u30e5\u30c7\u30fc\u30bf<\/a>\u304b\u3089\u53e4\u3044\u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97\u3057\u3066\u3044\u308b<\/li>\n<li>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u304c\u4e0d\u5b89\u5b9a<\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-a-firewall\/\">\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/a>\u304c\u30b5\u30a4\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3044\u308b<\/li>\n<\/ul>\n<p>\u307e\u305f\u306f\u3001\u30b5\u30a4\u30c8\u306eDNS\u30ec\u30b3\u30fc\u30c9\u306b\u554f\u984c\u304c\u3042\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u306f\u3001\u8a72\u5f53\u306e\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u8a2a\u554f\u8005\u306b\u3082\u540c\u3058\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u308b\u305f\u3081\u3001\u81ea\u5206\u306e\u30b5\u30a4\u30c8\u3067\u306a\u3051\u308c\u3070\u3069\u3046\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u3042\u308b\u3044\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u30b5\u30fc\u30d3\u30b9\u306e\u4e0d\u5099\u304c\u539f\u56e0\u306b\u306a\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u3082\u3002\u81ea\u5206\u306e\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3057\u3066\u3001\u300c\u3053\u306e\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u305b\u3093\u300d\u3068\u3044\u3046\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u983b\u7e41\u306b\u8868\u793a\u3055\u308c\u308b\u5834\u5408\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u79fb\u884c\u3092\u691c\u8a0e\u3057\u305f\u307b\u3046\u304c\u8ce2\u660e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>Kinsta\u3067\u306f\u3001\u500b\u4eba\u3068\u4f01\u696d\u5411\u3051\u306b<a href=\"https:\/\/kinsta.com\/jp\/pricing\/\">\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30b5\u30fc\u30d0\u30fc\u30b5\u30fc\u30d3\u30b9<\/a>\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u3059\u3079\u3066\u306e\u30d7\u30e9\u30f3\u306b\u306f<a href=\"https:\/\/kinsta.com\/jp\/apm-tool\/\">APM\u30c4\u30fc\u30eb<\/a>\u304c\u4ed8\u5e2f\u3057\u3066\u304a\u308a\u3001\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u554f\u984c\u3092\u7279\u5b9a\u30fb\u89e3\u6c7a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u969b\u306b\u306f\u3001\u30ab\u30b9\u30bf\u30de\u30fc\u30b5\u30dd\u30fc\u30c8\u306b\u304a\u4efb\u305b\u304f\u3060\u3055\u3044\u3002\u3059\u3079\u3066\u306e\u30d7\u30e9\u30f3\u3067\u300124\u6642\u9593\u5e74\u4e2d\u7121\u4f11\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u3088\u308b\u30b5\u30dd\u30fc\u30c8\u304c\u5229\u7528\u53ef\u80fd\u3002\u3042\u3089\u3086\u308b\u554f\u984c\u3092\u77ac\u6642\u306b\u89e3\u6c7a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u300cERR_NAME_NOT_RESOLVED\u300d\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f\uff086\u3064\u306e\u65b9\u6cd5\uff09<\/h2>\n<p>\u300cERR_NAME_NOT_RESOLVED\u300d\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u304c\u5206\u304b\u3063\u305f\u3068\u3053\u308d\u3067\u3001\u65e9\u901f\u672c\u984c\u3068\u306a\u308b\u89e3\u6c7a\u7b56\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>1. \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n<p>\u307e\u305a\u6700\u521d\u306b\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u306e\u4e0d\u5177\u5408\u304c\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u306b\u306a\u3063\u3066\u3044\u306a\u3044\u304b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u3001\u5225\u306eWiFi\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4f7f\u3063\u3066\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u3053\u308c\u3067\u30a2\u30af\u30bb\u30b9\u3067\u304d\u305f\u5834\u5408\u306f\u3001\u30eb\u30fc\u30bf\u30fc\u3092\u518d\u8d77\u52d5\u3057\u307e\u3057\u3087\u3046\u3002\u3053\u308c\u3067\u89e3\u6c7a\u3057\u306a\u304f\u3066\u3082\u3054\u5b89\u5fc3\u3092\u3002\u6b21\u306e\u89e3\u6c7a\u7b56\u306b\u79fb\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>2. \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306eDNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b<\/h3>\n<p>\u300cERR_NAME_NOT_RESOLVED\u300d\u30a8\u30e9\u30fc\u306f\u3001\u4f7f\u7528\u3057\u3066\u3044\u308b\u30c7\u30d0\u30a4\u30b9\u306e\u53e4\u3044\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u539f\u56e0\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3082\u3002\u3053\u308c\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e<a href=\"https:\/\/kinsta.com\/jp\/blog\/flush-dns\/\">DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2<\/a>\u3057\u307e\u3059\u3002<\/p>\n<p>Windows\u306e\u5834\u5408\u306f\u3001<strong>\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8<\/strong>\u3092\u958b\u304d\u307e\u3059\u3002\u30ad\u30fc\u30dc\u30fc\u30c9\u306e\u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8\u30ad\u30fc<strong>Windows + R<\/strong>\u3067\u300c<strong>\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u6307\u5b9a\u3057\u3066\u5b9f\u884c<\/strong>\u300d\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u8d77\u52d5\u3057\u3001<strong>cmd<\/strong>\u3092\u5165\u529b\u3059\u308b\u3068\u958b\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1110px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/command-prompt.png\" alt=\"Windows\u306e\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\" width=\"1110\" height=\"387\"><figcaption class=\"wp-caption-text\">Windows\u306e\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8<\/figcaption><\/figure>\n<p>\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u8cbc\u308a\u4ed8\u3051\u3001<strong>Enter<\/strong>\u30ad\u30fc\u3092\u62bc\u3057\u307e\u3059\u3002<\/p>\n<p><code>ipconfig \/flushdns<\/code><\/p>\n<p>\u3053\u308c\u3067\u3001DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u30d5\u30a1\u30a4\u30eb\u304c\u30af\u30ea\u30a2\u3055\u308c\u3001\u521d\u671f\u5316\u3055\u308c\u307e\u3059\u3002\u51e6\u7406\u304c\u5b8c\u4e86\u3059\u308b\u3068\u3001\u300cDNS\u30ea\u30be\u30eb\u30d0\u30fc \u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u6b63\u5e38\u306b\u30af\u30ea\u30a2\u3055\u308c\u307e\u3057\u305f\uff08Successfully flushed the DNS resolver cache\uff09\u300d\u3068\u3044\u3046\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>macOS\u306e\u5834\u5408\u306f\u3001\u30bf\u30fc\u30df\u30ca\u30eb\u3067\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<p><code>dscacheutil -flushcache<\/code><\/p>\n<p>Linux\u306e\u5834\u5408\u306f\u3001<strong>init.d<\/strong>\u30b5\u30d6\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3092\u8cbc\u308a\u4ed8\u3051\u3001nscd\u3067DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3057\u307e\u3059\u3002<\/p>\n<p><code>sudo \/etc\/init.d\/nscd restart<\/code><\/p>\n<p>systemd\u3092\u4f7f\u3063\u3066DNS \u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><code>systemd-resolve --flush-caches<\/code><\/p>\n<p>\u6b21\u306b\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u3066\u3001\u3046\u307e\u304f\u3044\u3063\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<p><code>systemd-resolve --statistics<\/code><\/p>\n<p>\u305d\u308c\u304b\u3089\u3001\u518d\u5ea6\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u305f\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u307e\u3060\u30a8\u30e9\u30fc\u304c\u89e3\u6c7a\u3055\u308c\u306a\u3044\u5834\u5408\u306f\u3001\u6b21\u306e\u89e3\u6c7a\u65b9\u6cd5\u306b\u79fb\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>3. \u30d6\u30e9\u30a6\u30b6\u306e\u8a2d\u5b9a\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n<p>\u307e\u3060\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u5834\u5408\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u306b\u539f\u56e0\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u4f8b\u3048\u3070\u3001<a href=\"https:\/\/kinsta.com\/blog\/google-cache\/\">Google Chrome\u306b\u306f\u72ec\u81ea\u306eDNS\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u3042\u308b<\/a>\u305f\u3081\u3001\u305d\u308c\u3082\u30af\u30ea\u30a2\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>Chrome\u3092\u958b\u304d\u3001\u30a2\u30c9\u30ec\u30b9\u30d0\u30fc\u306b\u4ee5\u4e0b\u3092\u8cbc\u308a\u4ed8\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><code>chrome:\/\/net-internals\/#dns<\/code><\/p>\n<p>\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u753b\u9762\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1136px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/clear-google-dns.png\" alt=\"Google\u306eDNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\" width=\"1136\" height=\"446\"><figcaption class=\"wp-caption-text\">Google\u306eDNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2<\/figcaption><\/figure>\n<p>\u3042\u3068\u306f\u3001\u300c<strong>Clear host cache<\/strong>\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3060\u3051\u3067OK\u3067\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001Chrome\u306e\u30da\u30fc\u30b8\u30d7\u30ea\u30ed\u30fc\u30c9\u6a5f\u80fd\u306e\u8a2d\u5b9a\u3082\u898b\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002\u3053\u306e\u6a5f\u80fd\u3092\u6709\u52b9\u306b\u3059\u308b\u3068\u3001DNS\u30c7\u30fc\u30bf\u3092\u542b\u3080\u904e\u53bb\u306b\u8a2a\u554f\u3057\u305f\u30b5\u30a4\u30c8\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u4e8b\u524d\u306b\u8aad\u307f\u8fbc\u307e\u308c\u308b\u305f\u3081\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304c\u9ad8\u901f\u5316\u3055\u308c\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u3053\u308c\u306b\u3088\u3063\u3066\u53e4\u3044\u60c5\u5831\u304c\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u7121\u52b9\u5316\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>Chrome\u306e\u30a6\u30a3\u30f3\u30c9\u30a6\u3067\u3001\u53f3\u4e0a\u306e3\u3064\u306e\u70b9\uff08\u7e263\u70b9\u30ea\u30fc\u30c0\u30fc\uff09\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u300c<strong>\u8a2d\u5b9a<\/strong>\u300d\uff1e\u300c<strong>\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/strong>\u300d\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1131px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/security-settings-google.png\" alt=\"Chrome\u306e\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a2d\u5b9a\" width=\"1131\" height=\"570\"><figcaption class=\"wp-caption-text\">Chrome\u306e\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a2d\u5b9a<\/figcaption><\/figure>\n<p>\u6b21\u306b\u3001\u300c<strong>Cookie\u3068\u4ed6\u306e\u30b5\u30a4\u30c8\u30c7\u30fc\u30bf<\/strong>\u300d\u3092\u9078\u3073\u307e\u3059\u3002\u300c<strong>\u30da\u30fc\u30b8\u3092\u30d7\u30ea\u30ed\u30fc\u30c9\u3057\u3066\u3001\u95b2\u89a7\u3068\u691c\u7d22\u3092\u3059\u3070\u3084\u304f\u884c\u3048\u308b\u3088\u3046\u306b\u3057\u307e\u3059<\/strong>\u300d\u306e\u9805\u76ee\u3092\u898b\u3064\u3051\u3066\u3001\u7121\u52b9\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<figure style=\"width: 1230px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/preload-pages-setting.png\" alt=\"Google Chrome\u306e\u30d7\u30ea\u30ed\u30fc\u30c9\u6a5f\u80fd\u3092\u7121\u52b9\u5316\" width=\"1230\" height=\"517\"><figcaption class=\"wp-caption-text\">Google Chrome\u306e\u30d7\u30ea\u30ed\u30fc\u30c9\u6a5f\u80fd\u3092\u7121\u52b9\u5316<\/figcaption><\/figure>\n<p>\u306a\u304a\u3001\u3053\u306e\u753b\u9762\u3067\u30d6\u30e9\u30a6\u30b6\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002\u300c<strong>\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/strong>\u300d\u753b\u9762\u306b\u623b\u3063\u3066\u3001\u300c<strong>\u95b2\u89a7\u5c65\u6b74\u30c7\u30fc\u30bf\u306e\u524a\u9664<\/strong>\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n<p>\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\u753b\u9762\u3067\u3001\u671f\u9593\u306f\u300c<strong>\u5168\u671f\u9593<\/strong>\u300d\u3092\u9078\u629e\u3057\u3001\u3059\u3079\u3066\u306e\u9805\u76ee\u306b\u30c1\u30a7\u30c3\u30af\u3092\u5165\u308c\u305f\u3089\u3001\u300c<strong>\u30c7\u30fc\u30bf\u3092\u524a\u9664<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/clear-browsing-data-1.png\" alt=\"Google Chrome\u306e\u95b2\u89a7\u5c65\u6b74\u30c7\u30fc\u30bf\u3092\u524a\u9664\" width=\"900\" height=\"518\"><figcaption class=\"wp-caption-text\">Google Chrome\u306e\u95b2\u89a7\u5c65\u6b74\u30c7\u30fc\u30bf\u3092\u524a\u9664<\/figcaption><\/figure>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/how-to-clear-browser-cache\/\">Chrome\u4ee5\u5916\u306e\u30d6\u30e9\u30a6\u30b6\u306e\u5834\u5408\u306f\u3053\u3061\u3089<\/a>\u304b\u3089\u624b\u9806\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>4. \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u8a2d\u5b9a\u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b<\/h3>\n<p>DNS\u3068\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3057\u3066\u3082\u300cERR_NAME_NOT_RESOLVED\u300d\u30a8\u30e9\u30fc\u304c\u6d88\u3048\u306a\u3044\u5834\u5408\u306f\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u8a2d\u5b9a\u3092\u30ea\u30bb\u30c3\u30c8\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30bd\u30d5\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3068\u3001\u30b5\u30a4\u30c8\u4e0a\u306e\u8aa4\u3063\u305f\u8105\u5a01\u3092\u8b58\u5225\u3057\u3001\u30a2\u30af\u30bb\u30b9\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Windows\u3067\u3042\u308c\u3070\u3001\u300c<strong>\u8a2d\u5b9a<\/strong>\u300d\u30a2\u30d7\u30ea\u3092\u958b\u3044\u3066\u3001\u300c<strong>\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/strong>\u300d\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002\u300c<strong>Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<figure style=\"width: 1048px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/privacy-security-windows.png\" alt=\"Windows\u306e\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\" width=\"1048\" height=\"350\"><figcaption class=\"wp-caption-text\">Windows\u306e\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/figcaption><\/figure>\n<p>\u6b21\u306b\u300c<strong>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4fdd\u8b77<\/strong>\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/windows-security-screen.png\" alt=\"\u300cWindows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u300d\u753b\u9762\" width=\"900\" height=\"508\"><figcaption class=\"wp-caption-text\">\u300cWindows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u300d\u753b\u9762<\/figcaption><\/figure>\n<p>\u753b\u9762\u4e0b\u90e8\u306b\u3042\u308b\u300c<strong>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u898f\u5b9a\u5024\u306b\u5fa9\u5143\u3059\u308b<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<figure style=\"width: 1034px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/restore-firewalls-default.png\" alt=\"\u300c\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4fdd\u8b77\u300d\u753b\u9762\" width=\"1034\" height=\"637\"><figcaption class=\"wp-caption-text\">\u300c\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4fdd\u8b77\u300d\u753b\u9762<\/figcaption><\/figure>\n<p>\u6700\u5f8c\u306b\u3001\u300c<strong>\u898f\u5b9a\u5024\u306b\u623b\u3059<\/strong>\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u5b8c\u4e86\u3067\u3059\u3002<\/p>\n<figure style=\"width: 1009px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/restore-defaults-button.png\" alt=\"\u898f\u5b9a\u5024\u3092\u5fa9\u5143\" width=\"1009\" height=\"387\"><figcaption class=\"wp-caption-text\">\u898f\u5b9a\u5024\u3092\u5fa9\u5143<\/figcaption><\/figure>\n<p>\u3053\u308c\u3067\u3001\u518d\u5ea6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002\u3053\u308c\u3067\u3082\u30a8\u30e9\u30fc\u304c\u89e3\u6d88\u3055\u308c\u306a\u3044\u5834\u5408\u3001\u6b21\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u9032\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>5. \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306eDNS\u30b5\u30fc\u30d0\u30fc\u3092\u8a2d\u5b9a\u3059\u308b<\/h3>\n<p>DNS\u30b5\u30fc\u30d0\u30fc\u304c\u9069\u5207\u306b\u52d5\u4f5c\u3057\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u539f\u56e0\u306b\u306a\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f\u3001<a href=\"https:\/\/developers.google.com\/speed\/public-dns\/docs\/using\" target=\"_blank\" rel=\"noopener noreferrer\">Google\u306e\u516c\u958b\u30b5\u30fc\u30d0\u30fc<\/a>\u304b\u3089DNS\u30b5\u30fc\u30d0\u30fc\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<p>Windows\u3067\u3001\u300c<strong>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb<\/strong>\u300d\u3092\u958b\u304d\u3001\u300c<strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u5171\u6709\u30bb\u30f3\u30bf\u30fc<\/strong>\u300d\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1007px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/control-panel-network-sharing.png\" alt=\"\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u5171\u6709\u30bb\u30f3\u30bf\u30fc\u300d\u3092\u9078\u629e\" width=\"1007\" height=\"617\"><figcaption class=\"wp-caption-text\">\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u5171\u6709\u30bb\u30f3\u30bf\u30fc\u300d\u3092\u9078\u629e<\/figcaption><\/figure>\n<p>\u6b21\u306b\u3001\u300c<strong>\u30a2\u30c0\u30d7\u30bf\u30fc\u306e\u8a2d\u5b9a\u306e\u5909\u66f4<\/strong>\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/change-adapter-settings.png\" alt=\"\u30a2\u30c0\u30d7\u30bf\u30fc\u306e\u8a2d\u5b9a\u3092\u5909\u66f4\" width=\"900\" height=\"415\"><figcaption class=\"wp-caption-text\">\u30a2\u30c0\u30d7\u30bf\u30fc\u306e\u8a2d\u5b9a\u3092\u5909\u66f4<\/figcaption><\/figure>\n<p>\u73fe\u5728\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001\u300c<strong>\u30d7\u30ed\u30d1\u30c6\u30a3<\/strong>\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1199px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/network-connections.png\" alt=\"Wifi\u63a5\u7d9a\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u30a6\u30a3\u30f3\u30c9\u30a6\" width=\"1199\" height=\"681\"><figcaption class=\"wp-caption-text\">WiFi\u63a5\u7d9a\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u30a6\u30a3\u30f3\u30c9\u30a6<\/figcaption><\/figure>\n<p><strong>\u30d7\u30ed\u30d1\u30c6\u30a3\u30a6\u30a3\u30f3\u30c9\u30a6<\/strong>\u3067\u3001\u300c<strong>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb \u30d0\u30fc\u30b8\u30e7\u30f34\uff08TCP\/IPv4\uff09<\/strong>\u300d\u307e\u305f\u306f\u300c<strong>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb \u30d0\u30fc\u30b8\u30e7\u30f36\uff08TCP\/IPv6\uff09<\/strong>\u300d\u3092\u30c0\u30d6\u30eb\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002\u6b21\u306b\u8868\u793a\u3055\u308c\u308b\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\u753b\u9762\u3067\u3001\u300c<strong>\u6b21\u306eDNS\u30b5\u30fc\u30d0\u30fc\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u3046<\/strong>\u300d\u3092\u9078\u629e\u3057\u3001Google\u306e\u30b5\u30fc\u30d0\u30fc\u60c5\u5831\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<figure style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/alternate-dns-server.png\" alt=\"DNS\u30b5\u30fc\u30d0\u30fc\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u5909\u66f4\" width=\"900\" height=\"552\"><figcaption class=\"wp-caption-text\">DNS\u30b5\u30fc\u30d0\u30fc\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u5909\u66f4<\/figcaption><\/figure>\n<p>Google DNS\u30b5\u30fc\u30d0\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n<ul>\n<li><strong>IPv4\u306e\u5834\u5408<\/strong>: 8.8.8.8\u304a\u3088\u3073\/\u307e\u305f\u306f8.8.4.4<\/li>\n<li><strong>IPv6\u306e\u5834\u5408<\/strong>: 2001:4860:4860::8888\u304a\u3088\u3073\/\u307e\u305f\u306f2001:4860:4860::8844<\/li>\n<\/ul>\n<p>macOS\u3067\u306f\u3001\u300c<strong>\u30b7\u30b9\u30c6\u30e0\u74b0\u5883\u8a2d\u5b9a<\/strong>\u300d\uff1e\u300c<strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/strong>\u300d\u3092\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002\u300c<strong>\u8a73\u7d30<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u300c<strong>DNS<\/strong>\u300d\u30bf\u30d6\u3092\u958b\u304d\u307e\u3059\u3002<\/p>\n<p>DNS\u30b5\u30fc\u30d0\u30fc\u60c5\u5831\u3092\u8ffd\u52a0\u3059\u308b\u306b\u306f\u3001\u300c<strong>+<\/strong>\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001Google Public DNS\u30b5\u30fc\u30d0\u30fc\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u5165\u529b\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u300c<strong>OK<\/strong>\u300d\u3068\u300c<strong>\u9069\u7528<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u5b8c\u4e86\u3067\u3059\u3002<\/p>\n<h3>6. \u30c9\u30e1\u30a4\u30f3\u306eDNSSEC\u3092\u7121\u52b9\u306b\u3059\u308b<\/h3>\n<p>\u3053\u3053\u307e\u3067\u306e\u89e3\u6c7a\u7b56\u3092\u5b9f\u884c\u3057\u3066\u3082\u3001\u307e\u3060\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u308b\u5834\u5408\u306b\u306f\u3001\u30b5\u30a4\u30c8\u306eDNS\u30ec\u30b3\u30fc\u30c9\u306b\u554f\u984c\u304c\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u8a2a\u554f\u8005\u5074\u306b\u3067\u304d\u308b\u3053\u3068\u306f\u4f55\u3082\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u81ea\u5206\u306e\u30b5\u30a4\u30c8\u3067\u3053\u306e\u30a8\u30e9\u30fc\u304c\u51fa\u3066\u3044\u308b\u5834\u5408\u306b\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u306eDNSSEC\uff08DNS Security Extensions\uff09\u3092\u7121\u52b9\u306b\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002DNSSEC\u306f\u3001\u4e0d\u6b63\u306a\u30a2\u30af\u30bb\u30b9\u304b\u3089DNS\u30ec\u30b3\u30fc\u30c9\u3092\u4fdd\u8b77\u3059\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u62e1\u5f35\u6a5f\u80fd\u3067\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u6700\u8fd1\u30b5\u30fc\u30d0\u30fc\u3092\u4e57\u308a\u63db\u3048\u305f\u5834\u5408\u3001DNSSEC\u306b\u3088\u3063\u3066\u30c9\u30e1\u30a4\u30f3\u304c<a href=\"https:\/\/kinsta.com\/jp\/blog\/dns-propagation\/\">\u6b63\u3057\u304f\u4f1d\u64ad<\/a>\u3055\u308c\u3066\u3044\u306a\u3044\u6050\u308c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u304a\u4f7f\u3044\u306e\u30c9\u30e1\u30a4\u30f3\u3067DNSSEC\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001<a href=\"https:\/\/www.whois.com\/whois\/\" target=\"_blank\" rel=\"noopener noreferrer\">WHOIS\u691c\u7d22<\/a>\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1255px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/whois-search.png\" alt=\"WHOIS\u691c\u7d22\" width=\"1255\" height=\"533\"><figcaption class=\"wp-caption-text\">WHOIS\u691c\u7d22<\/figcaption><\/figure>\n<p>\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u5165\u529b\u3057\u3066\u3001DNSSEC\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<figure style=\"width: 1002px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/dnssec-lookup.png\" alt=\"DNSSEC record\" width=\"1002\" height=\"258\"><figcaption class=\"wp-caption-text\">DNSSEC\u30ec\u30b3\u30fc\u30c9<\/figcaption><\/figure>\n<p>\u3082\u3057\u300csigned\uff08\u7f72\u540d\u6e08\u307f\uff09\u300d\u8868\u793a\u3055\u308c\u3066\u3044\u305f\u3089\u3001\u7121\u52b9\u5316\u304c\u5fc5\u8981\u3067\u3059\u3002\u30c9\u30e1\u30a4\u30f3\u30ec\u30b8\u30b9\u30c8\u30e9\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u3001\u307e\u305f\u306f\u5229\u7528\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u306e\u7ba1\u7406\u753b\u9762\uff08\u30b5\u30fc\u30d0\u30fc\u3092\u901a\u3058\u3066\u30c9\u30e1\u30a4\u30f3\u3092\u8cfc\u5165\u3057\u305f\u5834\u5408\uff09\u304b\u3089\u5b9f\u884c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>Kinsta\u3092\u3054\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001<a href=\"https:\/\/my.kinsta.com\/login?lang=ja\">MyKinsta<\/a>\u304b\u3089DNS\u30ec\u30b3\u30fc\u30c9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002\u300c<strong>DNS<\/strong>\u300d\u753b\u9762\u3067\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<figure id=\"attachment_68621\" aria-describedby=\"caption-attachment-68621\" style=\"width: 1108px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-68621 size-full\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/01\/mykinsta-dns-management.png\" alt=\"MyKinsta\u306e\u300cDNS\u300d\u753b\u9762\" width=\"1108\" height=\"441\" srcset=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/01\/mykinsta-dns-management.png 1108w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/01\/mykinsta-dns-management-300x119.png 300w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/01\/mykinsta-dns-management-1024x408.png 1024w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/01\/mykinsta-dns-management-768x306.png 768w\" sizes=\"auto, (max-width: 1108px) 100vw, 1108px\" \/><figcaption id=\"caption-attachment-68621\" class=\"wp-caption-text\">MyKinsta\u306e\u300cDNS\u300d\u753b\u9762<\/figcaption><\/figure>\n<p>\u300c<strong>DNS\u30ec\u30b3\u30fc\u30c9<\/strong>\u300d\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u3001DNSSEC\u30ec\u30b3\u30fc\u30c9\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u898b\u3064\u3051\u305f\u3089\u524a\u9664\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<figure id=\"attachment_68620\" aria-describedby=\"caption-attachment-68620\" style=\"width: 907px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-68620 size-full\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/01\/dns-management-dns-record.png\" alt=\"MyKinsta\u300cDNS\u30ec\u30b3\u30fc\u30c9\u300d\u30bb\u30af\u30b7\u30e7\u30f3\" width=\"907\" height=\"270\" srcset=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/01\/dns-management-dns-record.png 907w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/01\/dns-management-dns-record-300x89.png 300w, https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/01\/dns-management-dns-record-768x229.png 768w\" sizes=\"auto, (max-width: 907px) 100vw, 907px\" \/><figcaption id=\"caption-attachment-68620\" class=\"wp-caption-text\">MyKinsta\u300cDNS\u30ec\u30b3\u30fc\u30c9\u300d\u30bb\u30af\u30b7\u30e7\u30f3<\/figcaption><\/figure>\n<p>DNS\u30ec\u30b3\u30fc\u30c9\u306b\u30a2\u30af\u30bb\u30b9\u307e\u305f\u306f\u7de8\u96c6\u3067\u304d\u306a\u3044\u5834\u5408\u306f\u3001\u5229\u7528\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u306b\u76f4\u63a5\u554f\u3044\u5408\u308f\u305b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>Android\u3067\u300cERR_NAME_NOT_RESOLVED\u300d\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b\u65b9\u6cd5<\/h2>\n<p>\u6b21\u306b\u3001Android\u7aef\u672b\u3067\u300cERR_NAME_NOT_RESOLVED\u300d\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u306f\u3001\u30d7\u30ea\u30ed\u30fc\u30c9\u6a5f\u80fd\u3092\u7121\u52b9\u306b\u3057\u307e\u3059\u3002Chrome\u3067\u753b\u9762\u53f3\u4e0a\u306e3\u3064\u306e\u70b9\u3092\u30bf\u30c3\u30d7\u3057\u3001\u300c<strong>\u8a2d\u5b9a<\/strong>\u300d\u3092\u9078\u629e\u3057\u305f\u5f8c\u3001\u4e0a\u8a18\u306e\u65b9\u6cd53\u3067\u3054\u7d39\u4ecb\u3057\u305f\u624b\u9806\u306b\u5f93\u3063\u3066\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u307e\u305f\u3001Android\u7aef\u672b\u306b\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u30a2\u30d7\u30ea\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u4e00\u5ea6\u7121\u52b9\u5316\u3057\u3066\u304b\u3089\u3001\u518d\u5ea6\u30a2\u30af\u30bb\u30b9\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u3042\u308b\u3044\u306f\u3001\u30bb\u30fc\u30d5\u30e2\u30fc\u30c9\u3067\u7aef\u672b\u3092\u518d\u8d77\u52d5\u3057\u307e\u3059\u3002\u30bb\u30fc\u30d5\u30e2\u30fc\u30c9\u3067\u30a8\u30e9\u30fc\u304c\u89e3\u6d88\u3055\u308c\u305f\u5834\u5408\u306f\u3001\u7aef\u672b\u306b\u6700\u8fd1\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u305f\u30a2\u30d7\u30ea\u304c\u539f\u56e0\u306b\u306a\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3067\u3059\u3002<\/p>\n<p>\u6700\u5f8c\u306b\u3001Chrome\u30a2\u30d7\u30ea\u3092\u5de5\u5834\u51fa\u8377\u6642\u306e\u72b6\u614b\u306b\u5fa9\u5143\u3057\u3066\u307f\u308b\u306e\u3082\u624b\u3067\u3059\u3002\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u3001\u304a\u4f7f\u3044\u306e\u30b9\u30de\u30db\u3067\u300c<strong>\u8a2d\u5b9a<\/strong>\u300d\uff1e\u300c<strong>\u30a2\u30d7\u30ea\u3068\u901a\u77e5<\/strong>\u300d\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002Chrome\u30a2\u30d7\u30ea\u3092\u958b\u304d\u3001\u300c<strong>\u30a2\u30d7\u30ea\u60c5\u5831<\/strong>\u300d\u3092\u30bf\u30c3\u30d7\u3057\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u304b\u3089\u3001\u300c<strong>\u7121\u52b9\u306b\u3059\u308b<\/strong>\u300d\u3092\u30bf\u30c3\u30d7\u3059\u308c\u3070OK\u3067\u3059\u3002\u305d\u308c\u304b\u3089\u3001\u30b5\u30a4\u30c8\u306b\u518d\u5ea6\u30a2\u30af\u30bb\u30b9\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>\u305d\u306e\u4ed6\u306e\u4e00\u822c\u7684\u306aDNS\u30a8\u30e9\u30fc<\/h2>\n<p>\u300cERR_NAME_NOT_RESOLVED\u300d\u30a8\u30e9\u30fc\u306f\u3001DNS\u30a8\u30e9\u30fc\u306e1\u3064\u306b\u904e\u304e\u307e\u305b\u3093\u3002DNS\u306b\u95a2\u9023\u3057\u305f\u30a8\u30e9\u30fc\u306f\u3001\u4ed6\u306b\u3082\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/dns_probe_finished_nxdomain\/\">DNS_PROBE_FINISHED_NXDOMAIN<\/a><\/li>\n<li><a href=\"https:\/\/kinsta.com\/blog\/dns-server-not-responding\/\">DNS Server Not Responding\uff08DNS\u30b5\u30fc\u30d0\u30fc\u306f\u5fdc\u7b54\u3057\u3066\u3044\u307e\u305b\u3093\uff09<\/a><\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/err_name_resolution_failed\/\">ERR_NAME_RESOLUTION_FAILED<br \/>\n<\/a><\/li>\n<\/ul>\n<p>DNS\u95a2\u9023\u30a8\u30e9\u30fc\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306f\u3001\u5927\u4f53\u4f3c\u901a\u3063\u305f\u3082\u306e\u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305a\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306eDNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u3053\u3068\u304b\u3089\u59cb\u3081\u308b\u306e\u304c\u5f97\u7b56\u3067\u3059\u3002<\/p>\n<p>\u30b5\u30fc\u30d0\u30fc\u5074\u306b\u554f\u984c\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u76f4\u63a5\u554f\u3044\u5408\u308f\u305b\u3066\u304f\u3060\u3055\u3044\u3002\u72b6\u6cc1\u3092\u8a73\u3057\u304f\u8aac\u660e\u3059\u308c\u3070\u3001\u89e3\u6c7a\u7b56\u3092\u63d0\u793a\u3057\u3066\u304f\u308c\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u300cERR_NAME_NOT_RESOLVED\u300d\u30a8\u30e9\u30fc\u306f\u3001DNS\u304c\u30b5\u30a4\u30c8\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u898b\u3064\u3051\u3089\u308c\u306a\u3044\u6642\u306b\u767a\u751f\u3057\u307e\u3059\u3002\u4e00\u822c\u7684\u306b\u306f\u3001\u53e4\u3044\u30ad\u30e3\u30c3\u30b7\u30e5\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u8aa4\u8a8d\u3001\u307e\u305f\u306f\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306eDNS\u30b5\u30fc\u30d0\u30fc\u306e\u8a2d\u5b9a\u304c\u539f\u56e0\u3067\u3059\u3002<\/p>\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u3092\u78ba\u8a8d\u3057\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306eDNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3057\u3066\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u8a2d\u5b9a\u3092\u78ba\u304b\u3081\u308b\u3053\u3068\u3067\u3001\u89e3\u6c7a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3057\u305f\u308a\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u8a2d\u5b9a\u3092\u30ea\u30bb\u30c3\u30c8\u3057\u305f\u308a\u3057\u3066\u307f\u308b\u306e\u3082\u304a\u52e7\u3081\u3067\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u5074\u306b\u554f\u984c\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u76f4\u63a5\u554f\u3044\u5408\u308f\u305b\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><a href=\"https:\/\/kinsta.com\/jp\/\">Kinsta<\/a>\u3067\u306f\u300124\u6642\u9593\u5e74\u4e2d\u7121\u4f11\u3067\u30d7\u30ed\u306e\u30b5\u30dd\u30fc\u30c8\u3092\u5229\u7528\u3067\u304d\u3001WordPress\u306e\u30a8\u30e9\u30fc\u3084\u305d\u306e\u4ed6\u8a2d\u5b9a\u306b\u95a2\u3059\u308b\u554f\u984c\u3092\u5373\u5ea7\u306b\u89e3\u6c7a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u8981\u4ef6\u306e\u3054\u76f8\u8ac7\u3084\u304a\u898b\u7a4d\u308a\u306a\u3069\u3001<a href=\"https:\/\/kinsta.com\/jp\/contact-us\/\">\u304a\u6c17\u8efd\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u300cERR_NA &#8230;<\/p>\n","protected":false},"author":199,"featured_media":41324,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kinsta_gated_content":false,"_kinsta_gated_content_redirect":"","footnotes":""},"tags":[],"topic":[821],"class_list":["post-40994","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","topic-website-errors"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.6 (Yoast SEO v24.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u300cERR_NAME_NOT_RESOLVED\u300d\u30a8\u30e9\u30fc\u306e\u89e3\u6c7a\u65b9\u6cd5<\/title>\n<meta name=\"description\" content=\"\u300cERR_NAME_NOT_RESOLVED\u300d\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u306f\u3001\u4e0d\u5b89\u5b9a\u306a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u306a\u3069\u69d8\u3005\u3002\u3053\u306e\u30a8\u30e9\u30fc\u306e\u89e3\u6c7a\u65b9\u6cd5\u30926\u3064\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kinsta.com\/jp\/blog\/err_name_not_resolved\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u30106\u3064\u306e\u65b9\u6cd5\u3011\u300cERR_NAME_NOT_RESOLVED\u300d\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f\" \/>\n<meta property=\"og:description\" content=\"\u300cERR_NAME_NOT_RESOLVED\u300d\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u306f\u3001\u4e0d\u5b89\u5b9a\u306a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u306a\u3069\u69d8\u3005\u3002\u3053\u306e\u30a8\u30e9\u30fc\u306e\u89e3\u6c7a\u65b9\u6cd5\u30926\u3064\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kinsta.com\/jp\/blog\/err_name_not_resolved\/\" \/>\n<meta property=\"og:site_name\" content=\"Kinsta\u00ae\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Kinsta-Japan-334616080691171\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-01-17T06:14:11+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-06T11:40:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/01\/err_name_not_resolved.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1460\" \/>\n\t<meta property=\"og:image:height\" 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