{"id":49,"date":"2026-09-02T16:07:29","date_gmt":"2026-09-02T07:07:29","guid":{"rendered":"https:\/\/motoki-design.co.jp\/tools\/dns-propagation\/"},"modified":"2026-09-02T18:50:13","modified_gmt":"2026-09-02T09:50:13","slug":"dns-propagation","status":"publish","type":"page","link":"https:\/\/motoki-design.co.jp\/tools\/dns-propagation\/","title":{"rendered":"DNS\u4f1d\u64ad\u30c1\u30a7\u30c3\u30af\u30c4\u30fc\u30eb"},"content":{"rendered":"\n<div id=\"wt-dnsprop\" class=\"wt-tool\">\n\t<p class=\"wt-lead\">\u30b5\u30fc\u30d0\u30fc\u79fb\u8ee2\u3084DNS\u5909\u66f4\u306e\u3042\u3068\u3001<strong>\u5207\u308a\u66ff\u3048\u304c\u4e16\u754c\u4e2d\u306b\u6d78\u900f\u3057\u304d\u3063\u305f\u304b<\/strong>\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u65e5\u672c\u30fb\u30a2\u30e1\u30ea\u30ab\u30fb\u30e8\u30fc\u30ed\u30c3\u30d1\u306e\u4e3b\u8981\u306aDNS\u30b5\u30fc\u30d0\u30fc\u306b\u540c\u6642\u306b\u554f\u3044\u5408\u308f\u305b\u3001\u7b54\u3048\u304c\u63c3\u3063\u3066\u3044\u308b\u304b\u3092\u6bd4\u3079\u307e\u3059\u3002\u3072\u3068\u3064\u3067\u3082\u53e4\u3044\u7b54\u3048\u304c\u6b8b\u3063\u3066\u3044\u308c\u3070\u3001\u307e\u3060\u4ee5\u524d\u306e\u30b5\u30fc\u30d0\u30fc\u3092\u898b\u3066\u3044\u308b\u4eba\u304c\u3044\u307e\u3059\u3002<\/p>\n\n\t<form class=\"wt-form\">\n\t\t<div class=\"wt-row\">\n\t\t\t<input class=\"wt-input\" type=\"text\" placeholder=\"example.co.jp\" autocomplete=\"off\" autocapitalize=\"off\" spellcheck=\"false\" inputmode=\"url\" aria-label=\"\u8abf\u3079\u305f\u3044\u30c9\u30e1\u30a4\u30f3\">\n\t\t\t<select class=\"wt-select wt-extra\" name=\"type\" aria-label=\"\u30ec\u30b3\u30fc\u30c9\u7a2e\u5225\">\n\t\t\t\t<option value=\"A\">A\uff08IP\u30a2\u30c9\u30ec\u30b9\uff09<\/option>\n\t\t\t\t<option value=\"AAAA\">AAAA\uff08IPv6\uff09<\/option>\n\t\t\t\t<option value=\"CNAME\">CNAME<\/option>\n\t\t\t\t<option value=\"MX\">MX\uff08\u30e1\u30fc\u30eb\uff09<\/option>\n\t\t\t\t<option value=\"NS\">NS\uff08\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\uff09<\/option>\n\t\t\t\t<option value=\"TXT\">TXT<\/option>\n\t\t\t<\/select>\n\t\t\t<button class=\"wt-btn\" type=\"submit\">\u78ba\u8a8d\u3059\u308b<\/button>\n\t\t<\/div>\n\t\t<p class=\"wt-samples\">\u304a\u8a66\u3057:\n\t\t\t<button type=\"button\" data-sample=\"motoki-design.co.jp\">motoki-design.co.jp<\/button>\u30fb\n\t\t\t<button type=\"button\" data-sample=\"wordpress.org\">wordpress.org<\/button>\n\t\t<\/p>\n\t\t<p class=\"wt-privacy-note\">\u4f1a\u54e1\u767b\u9332\u30fb\u30ed\u30b0\u30a4\u30f3\u4e0d\u8981\uff0f<strong>\u8abf\u3079\u305f\u30c9\u30e1\u30a4\u30f3\u306f\u4fdd\u5b58\u30fb\u516c\u958b\u3057\u307e\u305b\u3093<\/strong><\/p>\n\t<\/form>\n\n\t<div class=\"wt-status\" hidden><\/div>\n\t<div class=\"wt-result\" hidden><\/div>\n\n\t<div class=\"wt-disclaimer\">\n\t\t<strong>\u78ba\u8a8d\u306e\u4ed5\u7d44\u307f\u306b\u3064\u3044\u3066<\/strong><br>\n\t\t\u5f53\u30b5\u30fc\u30d0\u30fc\u81ea\u8eab\u306eDNS\u306b\u52a0\u3048\u3066\u3001Google Public DNS\uff088.8.8.8\uff09\u3001Cloudflare DNS\uff081.1.1.1\uff09\u3001AdGuard DNS \u306b DNS over HTTPS 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class=\"wt-faq\">\n\t\t<details>\n\t\t\t<summary>DNS\u306e\u6d78\u900f\u306b\u306f\u3069\u308c\u304f\u3089\u3044\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u304b\uff1f<\/summary>\n\t\t\t<p>\u8a2d\u5b9a\u3057\u3066\u3044\u305fTTL\uff08\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u4fdd\u6301\u6642\u9593\uff09\u6b21\u7b2c\u3067\u3059\u3002TTL\u304c3600\u79d2\u306a\u3089\u6700\u59271\u6642\u9593\u300186400\u79d2\u306a\u3089\u6700\u592724\u6642\u9593\u304b\u304b\u308a\u307e\u3059\u3002\u300c\u6d78\u900f\u300d\u3068\u3044\u3046\u8a00\u8449\u304c\u4f7f\u308f\u308c\u307e\u3059\u304c\u3001\u5b9f\u969b\u306b\u306f\u3058\u308f\u3058\u308f\u5e83\u304c\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u5404DNS\u30b5\u30fc\u30d0\u30fc\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u671f\u9650\u5207\u308c\u306b\u306a\u3063\u305f\u6642\u70b9\u3067\u5207\u308a\u66ff\u308f\u308a\u307e\u3059\u3002\u79fb\u8ee2\u3092\u4e88\u5b9a\u3057\u3066\u3044\u308b\u306a\u3089\u3001<strong>\u4f5c\u696d\u306e\u6570\u65e5\u524d\u306bTTL\u3092300\u79d2\u7a0b\u5ea6\u307e\u3067\u77ed\u304f\u3057\u3066\u304a\u304f<\/strong>\u3068\u5207\u308a\u66ff\u3048\u304c\u901f\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\t\t<\/details>\n\t\t<details>\n\t\t\t<summary>\u81ea\u5206\u306e\u30d1\u30bd\u30b3\u30f3\u3060\u3051\u53e4\u3044\u30b5\u30a4\u30c8\u304c\u8868\u793a\u3055\u308c\u307e\u3059<\/summary>\n\t\t\t<p>\u30d1\u30bd\u30b3\u30f3\u3084\u30d6\u30e9\u30a6\u30b6\u306b\u3082DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u3042\u308a\u307e\u3059\u3002Windows\u306a\u3089<code>ipconfig \/flushdns<\/code>\u3001Mac\u306a\u3089<code>sudo dscacheutil -flushcache<\/code>\u3067\u6d88\u305b\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3084\u3001\u5951\u7d04\u3057\u3066\u3044\u308b\u30d7\u30ed\u30d0\u30a4\u30c0\u306eDNS\u304c\u53e4\u3044\u60c5\u5831\u3092\u6301\u3063\u3066\u3044\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\t\t<\/details>\n\t\t<details>\n\t\t\t<summary>MX\u3060\u3051\u5207\u308a\u66ff\u3048\u305f\u3044\uff08\u30e1\u30fc\u30eb\u306f\u6b8b\u3057\u305f\u3044\uff09\u306e\u3067\u3059\u304c<\/summary>\n\t\t\t<p>\u30ec\u30b3\u30fc\u30c9\u7a2e\u5225\u3092\u5207\u308a\u66ff\u3048\u3066\u500b\u5225\u306b\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002Web\u30b5\u30fc\u30d0\u30fc\u3060\u3051\u79fb\u8ee2\u3057\u3066\u30e1\u30fc\u30eb\u306f\u65e7\u30b5\u30fc\u30d0\u30fc\u306b\u6b8b\u3059\u5834\u5408\u3001A\u30ec\u30b3\u30fc\u30c9\u3060\u3051\u3092\u5909\u66f4\u3057\u3066MX\u306f\u89e6\u3089\u306a\u3044\u3068\u3044\u3046\u904b\u7528\u306b\u306a\u308a\u307e\u3059\u3002\u79fb\u8ee2\u5f8c\u306b\u3053\u306e\u30c4\u30fc\u30eb\u3067A\u3068MX\u306e\u4e21\u65b9\u3092\u78ba\u8a8d\u3057\u3001\u610f\u56f3\u3057\u305f\u7d44\u307f\u5408\u308f\u305b\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u30c1\u30a7\u30c3\u30af\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\t\t<\/details>\n\t<\/div>\n<\/div>\n\n<div class=\"wt-tool\"><div class=\"wt-policy\"><p class=\"wt-policy-title\">\ud83d\udd12 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