{"id":34294,"date":"2026-07-22T20:44:12","date_gmt":"2026-07-22T20:44:12","guid":{"rendered":"https:\/\/www.dotcom-monitor.com\/blog\/resolves-dns-in-every-check\/"},"modified":"2026-07-24T21:05:33","modified_gmt":"2026-07-24T21:05:33","slug":"resolves-dns-in-every-check","status":"publish","type":"post","link":"https:\/\/www.dotcom-monitor.com\/blog\/ja\/resolves-dns-in-every-check\/","title":{"rendered":"Dotcom-Monitor \u304c\u3059\u3079\u3066\u306e\u30c1\u30a7\u30c3\u30af\u3067 DNS \u3092\u89e3\u6c7a\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-34276\" src=\"https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/07\/how-dotcom-monitor-resolves-dns.webp\" alt=\"DNS resolution shown as the first step of a monitoring check, before TCP, TLS, and HTTP stages\" width=\"1200\" height=\"800\" srcset=\"https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/07\/how-dotcom-monitor-resolves-dns.webp 1200w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/07\/how-dotcom-monitor-resolves-dns-300x200.webp 300w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/07\/how-dotcom-monitor-resolves-dns-1024x683.webp 1024w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/07\/how-dotcom-monitor-resolves-dns-768x512.webp 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p class=\"lede\">\u3059\u3079\u3066\u306e\u30e2\u30cb\u30bf\u30fc\u30c1\u30a7\u30c3\u30af\u306f\u540c\u3058\u65b9\u6cd5\u3067\u958b\u59cb\u3055\u308c\u307e\u3059\u3002\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u3001API\u30ec\u30b9\u30dd\u30f3\u30b9\u3001SMTP\u30d0\u30ca\u30fc\u306e\u6700\u521d\u306e\u30d0\u30a4\u30c8\u304c\u8fd4\u3055\u308c\u308b\u524d\u306b\u3001\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306f\u30db\u30b9\u30c8\u540d\u3092IP\u30a2\u30c9\u30ec\u30b9\u306b\u5909\u63db\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u305d\u306e\u6700\u521d\u306e\u30b9\u30c6\u30c3\u30d7\u304cDNS\u89e3\u6c7a\u3067\u3042\u308a\u3001\u305d\u306e\u8a2d\u5b9a\u65b9\u6cd5\u306b\u3088\u3063\u3066\u7a3c\u50cd\u6642\u9593\u306e\u6570\u5024\u304c\u5b9f\u969b\u306b\u4f55\u3092\u610f\u5473\u3059\u308b\u304b\u304c\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n<p>\u307b\u3068\u3093\u3069\u306e\u30c1\u30fc\u30e0\u306f\u30e2\u30cb\u30bf\u30fc\u306eDNS\u8a2d\u5b9a\u306b\u89e6\u308c\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30c1\u30a7\u30c3\u30af\u3092<code>api.example.com<\/code>\u306b\u5411\u3051\u3066\u9593\u9694\u3092\u9078\u629e\u3057\u3001\u5148\u306b\u9032\u307f\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u305d\u306e\u30c1\u30a7\u30c3\u30af\u306e\u4e0b\u306b\u3042\u308b\u30ea\u30be\u30eb\u30d0\u306e\u52d5\u4f5c\u304c\u3001\u5b9f\u969b\u306e\u30e6\u30fc\u30b6\u30fc\u306e\u4f53\u9a13\u3092\u6e2c\u5b9a\u3057\u3066\u3044\u308b\u306e\u304b\u3001\u6570\u79d2\u4ee5\u5185\u306bDNS\u969c\u5bb3\u3092\u30ad\u30e3\u30c3\u30c1\u3057\u3066\u3044\u308b\u306e\u304b\u3001\u307e\u305f\u306f\u8907\u6570\u306e\u5b9f\u884c\u9593\u3067\u6bd4\u8f03\u53ef\u80fd\u306a\u30af\u30ea\u30fc\u30f3\u306a\u5fdc\u7b54\u6642\u9593\u3092\u751f\u307f\u51fa\u3057\u3066\u3044\u308b\u306e\u304b\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u3059\u3079\u3066\u3092\u540c\u6642\u306b\u6700\u9069\u5316\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>Dotcom-Monitor\u3067\u306f\u3053\u306e\u7406\u7531\u304b\u3089\u30014\u3064\u306eDNS\u89e3\u6c7a\u30e2\u30fc\u30c9\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u305d\u308c\u305e\u308c\u3092\u89e3\u8aac\u3057\u3001\u591a\u304f\u306e\u4eba\u304c\u8aa4\u89e3\u3057\u304c\u3061\u306a\u30ad\u30e3\u30c3\u30b7\u30e5\u3042\u308a\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306a\u3057\u3001\u4e00\u6642\uff08TTL\u30d9\u30fc\u30b9\uff09\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u9078\u629e\u306b\u7279\u306b\u7126\u70b9\u3092\u5f53\u3066\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2 id='\u306a\u305cdns\u89e3\u6c7a\u304c\u3059\u3079\u3066\u306e\u30c1\u30a7\u30c3\u30af\u3067\u6700\u521d\u306b\u5b9f\u884c\u3055\u308c\u308b\u306e\u304b'  id=\"boomdevs_1\" id=\"why-dns-resolution-runs-first-in-every-check\">\u306a\u305cDNS\u89e3\u6c7a\u304c\u3059\u3079\u3066\u306e\u30c1\u30a7\u30c3\u30af\u3067\u6700\u521d\u306b\u5b9f\u884c\u3055\u308c\u308b\u306e\u304b<\/h2>\n<p>DNS\u306f\u307b\u307c\u3059\u3079\u3066\u306e\u76e3\u8996\u5bfe\u8c61\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u6700\u521d\u306e\u30db\u30c3\u30d7\u3067\u3059\u3002\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u30c1\u30a7\u30c3\u30af\u3001<a href=\"https:\/\/www.dotcom-monitor.com\/ja\/%e3%83%a2%e3%83%8b%e3%82%bf%e3%83%aa%e3%83%b3%e3%82%b0%e8%a3%bd%e5%93%81\/api-monitoring\/\">API\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<\/a>\u547c\u3073\u51fa\u3057\u3001<a href=\"https:\/\/www.dotcom-monitor.com\/ja\/%e3%83%a2%e3%83%8b%e3%82%bf%e3%83%aa%e3%83%b3%e3%82%b0%e8%a3%bd%e5%93%81\/%e3%83%a1%e3%83%bc%e3%83%ab%e3%82%b5%e3%83%bc%e3%83%90%e3%83%bc%e7%9b%a3%e8%a6%96-%e3%83%89%e3%83%83%e3%83%88%e3%82%b3%e3%83%a0%e3%83%a2%e3%83%8b%e3%82%bf%e3%83%bc\/\">\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<\/a>\u30d7\u30ed\u30fc\u30d6\u3001<a href=\"https:\/\/www.dotcom-monitor.com\/ja\/%e3%83%a2%e3%83%8b%e3%82%bf%e3%83%aa%e3%83%b3%e3%82%b0%e8%a3%bd%e5%93%81\/icmp%e3%83%a2%e3%83%8b%e3%82%bf%e3%83%aa%e3%83%b3%e3%82%b0-%e3%83%89%e3%83%83%e3%83%88%e3%82%b3%e3%83%a0%e3%83%a2%e3%83%8b%e3%82%bf%e3%83%bc\/\">ICMP ping\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<\/a>\u30c6\u30b9\u30c8\u306a\u3069\u3001\u5404\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u63a5\u7d9a\u3092\u958b\u304f\u524d\u306bIP\u30a2\u30c9\u30ec\u30b9\u304c\u5fc5\u8981\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306f\u6700\u521d\u306b\u30db\u30b9\u30c8\u540d\u3092\u89e3\u6c7a\u3057\u3001\u305d\u306e\u5f8cTCP\u3001TLS\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u9806\u5e8f\u306f2\u3064\u306e\u7406\u7531\u3067\u91cd\u8981\u3067\u3059\u3002\u307e\u305a\u3001DNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u6642\u9593\u306f\u5408\u8a08\u5fdc\u7b54\u6642\u9593\u306e\u4e00\u90e8\u3067\u3042\u308b\u305f\u3081\u3001\u9045\u3044\u30ea\u30be\u30eb\u30d0\u306f\u3059\u3079\u3066\u306e\u6570\u5024\u3092\u81a8\u3089\u307e\u305b\u307e\u3059\u3002\u6b21\u306b\u3001DNS\u969c\u5bb3\u306f\u30c1\u30a7\u30c3\u30af\u958b\u59cb\u524d\u306b\u505c\u6b62\u3055\u305b\u307e\u3059\u3002\u89e3\u6c7a\u306b\u5931\u6557\u3059\u308b\u3068\u3001\u30c6\u30b9\u30c8\u3059\u308b\u63a5\u7d9a\u3082\u691c\u8a3c\u3059\u308b\u8a3c\u660e\u66f8\u3082\u3001\u8aad\u307f\u53d6\u308b\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3082\u3042\u308a\u307e\u305b\u3093\u3002\u30e2\u30cb\u30bf\u30fc\u306f\u91cd\u5927\u306a\u5931\u6557\u3092\u5831\u544a\u3057\u3001\u554f\u984c\u306e\u6839\u672c\u539f\u56e0\u306f\u76e3\u8996\u3057\u3066\u3044\u305f\u5c64\u3088\u308a\u4e00\u3064\u4e0b\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_34283\" aria-describedby=\"caption-attachment-34283\" style=\"width: 1200px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-34283\" src=\"https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/07\/dns-check-lifecycle.webp\" alt=\"A monitoring check lifecycle: DNS resolution first, then TCP connect, TLS handshake, and HTTP request\" width=\"1200\" height=\"800\" srcset=\"https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/07\/dns-check-lifecycle.webp 1200w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/07\/dns-check-lifecycle-300x200.webp 300w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/07\/dns-check-lifecycle-1024x683.webp 1024w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/07\/dns-check-lifecycle-768x512.webp 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><figcaption id=\"caption-attachment-34283\" class=\"wp-caption-text\">\u3059\u3079\u3066\u306e\u30c1\u30a7\u30c3\u30af\u3067DNS\u89e3\u6c7a\u306f\u63a5\u7d9a\u3001\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u3088\u308a\u5148\u306b\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/figcaption><\/figure>\n<p>DNS\u306f\u3059\u3079\u3066\u306e\u524d\u306b\u4f4d\u7f6e\u3059\u308b\u305f\u3081\u3001\u305d\u306e\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u304c\u3069\u306e\u3088\u3046\u306b\u51e6\u7406\u3059\u308b\u304b\u306f\u5358\u306a\u308b\u8a73\u7d30\u3067\u306f\u306a\u304f\u91cd\u8981\u306a\u8a2d\u8a08\u6c7a\u5b9a\u3067\u3059\u3002\u30ea\u30af\u30a8\u30b9\u30c8\u3054\u3068\u306b\u65b0\u305f\u306b\u89e3\u6c7a\u3059\u308c\u3070\u30ea\u30be\u30eb\u30d0\u554f\u984c\u3092\u3059\u3050\u306b\u691c\u51fa\u3067\u304d\u307e\u3059\u304c\u3001\u5404\u5b9f\u884c\u306b\u8ca0\u8377\u3068\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u6642\u9593\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u4f7f\u3046\u3068\u6570\u5024\u306f\u901f\u304f\u5b89\u5b9a\u3057\u307e\u3059\u304c\u3001\u58ca\u308c\u305fDNS\u30ec\u30b3\u30fc\u30c9\u304c\u6570\u6642\u9593\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u96a0\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002Dotcom-Monitor\u306e\u30e2\u30fc\u30c9\u306f\u3001\u5b9f\u969b\u306b\u76e3\u8996\u3057\u3066\u3044\u308b\u5bfe\u8c61\u306b\u5408\u3063\u305f\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u3092\u9078\u3079\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6700\u521d\u306e\u30db\u30c3\u30d7\u3092\u77ed\u7e2e\u3059\u308b\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/www.dotcom-monitor.com\/blog\/ja\/%e3%83%8d%e3%83%83%e3%83%88%e3%83%af%e3%83%bc%e3%82%af%e7%9b%a3%e8%a6%96%e3%81%ab%e3%82%88%e3%82%8b-dns-%e8%a7%a3%e6%b1%ba%e6%99%82%e9%96%93%e3%81%ae%e7%9f%ad%e7%b8%ae%e6%96%b9%e6%b3%95\/\">DNS\u89e3\u6c7a\u6642\u9593\u306e\u6539\u5584<\/a>\u30ac\u30a4\u30c9\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2 id='dotcom-monitor\u306e4\u3064\u306edns\u30e2\u30fc\u30c9'  id=\"boomdevs_2\" id=\"the-four-dns-modes-in-dotcom-monitor\">Dotcom-Monitor\u306e4\u3064\u306eDNS\u30e2\u30fc\u30c9<\/h2>\n<p>Dotcom-Monitor\u3067\u306f\u76e3\u8996\u30bf\u30b9\u30af\u306b4\u3064\u306eDNS\u89e3\u6c7a\u30e2\u30fc\u30c9\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u304cIP\u30a2\u30c9\u30ec\u30b9\u306e\u53d6\u5f97\u5143\u3068\u4fdd\u6301\u671f\u9593\u3092\u5909\u3048\u307e\u3059\u3002<\/p>\n<h3 id='\u30c7\u30d0\u30a4\u30b9\u30ad\u30e3\u30c3\u30b7\u30e5'  id=\"boomdevs_3\" 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id='\u975e\u30ad\u30e3\u30c3\u30b7\u30e5'  id=\"boomdevs_4\" 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id='ttl\u30ad\u30e3\u30c3\u30b7\u30e5'  id=\"boomdevs_5\" 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id='\u5916\u90e8dns\u30b5\u30fc\u30d0\u30fc'  id=\"boomdevs_6\" id=\"external-dns-server\">\u5916\u90e8DNS\u30b5\u30fc\u30d0\u30fc<\/h3>\n<p>\u5916\u90e8DNS\u30b5\u30fc\u30d0\u30fc\u306f\u6307\u5b9a\u3057\u305f\u30ea\u30be\u30eb\u30d0IP\u3067\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u884c\u3044\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u306e\u591a\u304f\u304cGoogle\uff088.8.8.8\u30018.8.4.4\uff09\u3084Cloudflare\uff081.1.1.1\uff09\u3068\u3044\u3063\u305f\u30d1\u30d6\u30ea\u30c3\u30af\u30ea\u30be\u30eb\u30d0\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u305d\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u901a\u3058\u305f\u89e3\u6c7a\u3092\u30c6\u30b9\u30c8\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u30be\u30fc\u30f3\u306b\u6a29\u5a01\u3092\u6301\u3064\u30ea\u30be\u30eb\u30d0\u3092\u6307\u5b9a\u3059\u308c\u3070\u3001\u518d\u5e30\u7684\u306a\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u30b9\u30ad\u30c3\u30d7\u3057\u3001\u3088\u308a\u901f\u304f\u76f4\u63a5\u7684\u306a\u89e3\u6c7a\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u5236\u9650\u306f\u30ab\u30d0\u30ec\u30c3\u30b8\u3067\u3059\u3002\u9078\u629e\u3057\u305f\u30ea\u30be\u30eb\u30d0\u304c\u6709\u52b9\u306a\u7b54\u3048\u3092\u8fd4\u3059\u9650\u308a\u3001\u30e2\u30cb\u30bf\u30fc\u306f\u6210\u529f\u3068\u307f\u306a\u3057\u307e\u3059\u304c\u3001\u5b9f\u969b\u306b\u30c9\u30e1\u30a4\u30f3\u3092\u62c5\u5f53\u3059\u308bDNS\u30b5\u30fc\u30d0\u30fc\u304c\u554f\u984c\u3092\u8d77\u3053\u3057\u3066\u3044\u3066\u3082\u691c\u51fa\u3067\u304d\u307e\u305b\u3093\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u3053\u306e\u30e2\u30fc\u30c9\u306f\u7279\u5b9a\u306e\u30ea\u30be\u30eb\u30d0\u306e\u8996\u70b9\u3092\u30c6\u30b9\u30c8\u3057\u3066\u3044\u308b\u306b\u904e\u304e\u305a\u3001\u5168\u30c1\u30a7\u30fc\u30f3\u3092\u30c6\u30b9\u30c8\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3082\u30461\u3064\u306e\u30dd\u30a4\u30f3\u30c8\uff1a\u7570\u306a\u308b\u30ea\u30be\u30eb\u30d0IP\u3054\u3068\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u5225\u3005\u3067\u3001\u7570\u306a\u308b\u5916\u90e8\u30b5\u30fc\u30d0\u30fc\u3092\u6307\u3057\u305f2\u3064\u306e\u30bf\u30b9\u30af\u306f\u305d\u308c\u305e\u308c\u72ec\u7acb\u3057\u305f\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u4fdd\u6301\u3057\u307e\u3059\u3002<\/p>\n<h2 id='\u30ad\u30e3\u30c3\u30b7\u30e5\u5f62\u5f0f\u306e\u6bd4\u8f03-\u30ad\u30e3\u30c3\u30b7\u30e5\u3042\u308a-vs-\u30ad\u30e3\u30c3\u30b7\u30e5\u306a\u3057-vs-\u4e00\u6642\u30ad\u30e3\u30c3\u30b7\u30e5'  id=\"boomdevs_7\" id=\"caching-vs-non-caching-vs-temporary-caching\">\u30ad\u30e3\u30c3\u30b7\u30e5\u5f62\u5f0f\u306e\u6bd4\u8f03\uff1a\u30ad\u30e3\u30c3\u30b7\u30e5\u3042\u308a vs \u30ad\u30e3\u30c3\u30b7\u30e5\u306a\u3057 vs \u4e00\u6642\u30ad\u30e3\u30c3\u30b7\u30e5<\/h2>\n<p>\u3053\u306e\u9078\u629e\u306f\u4eba\u3092\u8ff7\u308f\u305b\u308b\u305f\u3081\u30013\u3064\u3092\u4e26\u3079\u3066\u8aac\u660e\u3057\u307e\u3059\u3002\u30ad\u30e3\u30c3\u30b7\u30e5\uff08\u30c7\u30d0\u30a4\u30b9\u30ad\u30e3\u30c3\u30b7\u30e5\uff09\u306f\u52b9\u7387\u6027\u3092\u6700\u9069\u5316\u3057\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306a\u3057\uff08\u975e\u30ad\u30e3\u30c3\u30b7\u30e5\uff09\u306f\u5747\u4e00\u3067\u518d\u73fe\u53ef\u80fd\u306a\u30bf\u30a4\u30df\u30f3\u30b0\u3068\u65e9\u671f\u969c\u5bb3\u691c\u77e5\u3092\u6700\u9069\u5316\u3057\u3001\u4e00\u6642\u7684\u30ad\u30e3\u30c3\u30b7\u30e5\uff08TTL\u30ad\u30e3\u30c3\u30b7\u30e5\uff09\u306f\u30d6\u30e9\u30a6\u30b6\u306e\u30ec\u30b3\u30fc\u30c9\u671f\u9650\u5207\u308c\u3068\u540c\u69d8\u306b\u66f4\u65b0\u3092\u53cd\u6620\u3057\u30ea\u30a2\u30ea\u30c6\u30a3\u3092\u6700\u9069\u5316\u3057\u307e\u3059\u3002<\/p>\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>\u30e2\u30fc\u30c9<\/th>\n<th>\u89e3\u6c7a\u65b9\u6cd5<\/th>\n<th>\u63a8\u5968\u7528\u9014<\/th>\n<th>\u4e3b\u306a\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u30c7\u30d0\u30a4\u30b9\u30ad\u30e3\u30c3\u30b7\u30e5<\/strong>\uff08\u30ad\u30e3\u30c3\u30b7\u30e5\uff09<\/td>\n<td>\u30c7\u30d0\u30a4\u30b9\u30c1\u30a7\u30c3\u30af\u3054\u3068\u306b1\u56de\u89e3\u6c7a\u3057\u3001\u305d\u306e\u30bf\u30b9\u30af\u9593\u3067\u5171\u6709<\/td>\n<td>\u52b9\u7387\u7684\u306a\u30c1\u30a7\u30c3\u30af\uff1b\u540c\u4e00\u30db\u30b9\u30c8\u306e\u8907\u6570\u30bf\u30b9\u30af<\/td>\n<td>\u6700\u521d\u306e\u30bf\u30b9\u30af\u304c\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u6642\u9593\u3092\u8ca0\u62c5\uff1b\u5f8c\u304b\u3089\u306e\u30bf\u30b9\u30af\u304c\u901f\u304f\u898b\u3048\u308b<\/td>\n<\/tr>\n<tr>\n<td><strong>\u975e\u30ad\u30e3\u30c3\u30b7\u30e5<\/strong>\uff08\u30ad\u30e3\u30c3\u30b7\u30e5\u306a\u3057\uff09<\/td>\n<td>\u5b9f\u884c\u3054\u3068\u306b\u65b0\u305f\u306b\u5b8c\u5168\u89e3\u6c7a<\/td>\n<td>\u5747\u4e00\u306a\u30bf\u30a4\u30df\u30f3\u30b0\uff1bDNS\u554f\u984c\u306e\u8fc5\u901f\u691c\u77e5<\/td>\n<td>DNS\u8ca0\u8377\u5897\u5927\u30fb\u9045\u5ef6\u5897\u52a0\uff1bBrowserView\/UserView\u975e\u5bfe\u5fdc<\/td>\n<\/tr>\n<tr>\n<td><strong>TTL\u30ad\u30e3\u30c3\u30b7\u30e5<\/strong>\uff08\u4e00\u6642\u30ad\u30e3\u30c3\u30b7\u30e5\uff09<\/td>\n<td>\u30ec\u30b3\u30fc\u30c9TTL\u3092\u5c0a\u91cd\u3057\u3001\u671f\u9650\u5207\u308c\u5f8c\u518d\u89e3\u6c7a<\/td>\n<td>\u5b9f\u969b\u306e\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u306e\u518d\u73fe<\/td>\n<td>DNS\u30b5\u30fc\u30d0\u30fc\u969c\u5bb3\u304cTTL\u7d42\u4e86\u307e\u3067\u96a0\u308c\u308b\u53ef\u80fd\u6027\u3042\u308a<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5916\u90e8DNS\u30b5\u30fc\u30d0\u30fc<\/strong><\/td>\n<td>\u6307\u5b9a\u3057\u305f\u30ea\u30be\u30eb\u30d0IP\u3092\u30af\u30a8\u30ea<\/td>\n<td>\u7279\u5b9a\u306e\u30d1\u30d6\u30ea\u30c3\u30af\u307e\u305f\u306f\u6a29\u5a01\u3042\u308b\u30ea\u30be\u30eb\u30d0\u306e\u30c6\u30b9\u30c8<\/td>\n<td>\u305d\u306e\u30ea\u30be\u30eb\u30d0\u306e\u5fdc\u7b54\u306e\u307f\u3092\u78ba\u8a8d\u3001\u30c1\u30a7\u30fc\u30f3\u5168\u4f53\u306f\u975e\u30ab\u30d0\u30fc<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<blockquote><p>\u8981\u7d04\uff1a\u30b9\u30d4\u30fc\u30c9\u3092\u6c42\u3081\u308b\u306a\u3089\u30ad\u30e3\u30c3\u30b7\u30e5\u3002\u969c\u5bb3\u3092\u8fc5\u901f\u306b\u691c\u77e5\u3057\u305f\u3044\u306a\u3089\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u4f7f\u308f\u305a\u3002\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u901a\u308a\u306b\u3057\u305f\u3044\u306a\u3089TTL\u3092\u5c0a\u91cd\u3002\u5404\u30c1\u30a7\u30c3\u30af\u306e\u76ee\u7684\u306b\u5408\u3046\u30e2\u30fc\u30c9\u3092\u9078\u3093\u3067\u304f\u3060\u3055\u3044\u3002<\/p><\/blockquote>\n<h2 id='\u591a\u304f\u306e\u76e3\u8996\u30c4\u30fc\u30eb\u304cdns\u554f\u984c\u3092\u898b\u9003\u3059\u7406\u7531'  id=\"boomdevs_8\" id=\"why-most-monitoring-tools-miss-dns-issues\">\u591a\u304f\u306e\u76e3\u8996\u30c4\u30fc\u30eb\u304cDNS\u554f\u984c\u3092\u898b\u9003\u3059\u7406\u7531<\/h2>\n<p>\u3053\u306e\u8a2d\u5b9a\u3092\u3059\u308b\u4fa1\u5024\u304c\u3042\u308b\u306e\u306f\u3053\u3053\u3067\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u76e3\u8996\u30c4\u30fc\u30eb\u306f\u9078\u629e\u80a2\u3092\u4e0e\u3048\u307e\u305b\u3093\u3002\u4e00\u5ea6\u30db\u30b9\u30c8\u540d\u3092\u89e3\u6c7a\u3057\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3001\u305d\u306e\u30ec\u30b3\u30fc\u30c9\u304c\u6709\u52b9\u306a\u9650\u308a\u7b54\u3048\u3092\u518d\u5229\u7528\u3057\u307e\u3059\u3002\u3053\u308c\u3067\u52d5\u4f5c\u3059\u308b\u306e\u306f\u672c\u756a\u3067DNS\u554f\u984c\uff08\u30ec\u30b3\u30fc\u30c9\u8aa4\u308a\u3001\u6a29\u5a01\u30b5\u30fc\u30d0\u30fc\u969c\u5bb3\u3001\u8aa4\u3063\u305fIP\u3092\u8fd4\u3059\u30ea\u30be\u30eb\u30d0\u306a\u3069\uff09\u304c\u767a\u751f\u3057\u306a\u3044\u5834\u5408\u3060\u3051\u3067\u3059\u3002\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u305f\u30e2\u30cb\u30bf\u30fc\u306f\u53e4\u3044\u7b54\u3048\u306b\u57fa\u3065\u3044\u3066\u6b63\u5e38\u3092\u5831\u544a\u3057\u3001\u5b9f\u969b\u306e\u30e6\u30fc\u30b6\u30fc\u306f\u969c\u5bb3\u306b\u906d\u9047\u3057\u307e\u3059\u3002<\/p>\n<p>\u89e3\u6c7a\u30e2\u30fc\u30c9\u306e\u7d30\u304b\u3044\u5236\u5fa1\u306f\u76e3\u8996\u5206\u91ce\u3067\u306f\u7a00\u3067\u3059\u3002\u6bce\u56de\u65b0\u9bae\u306a\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u5f37\u5236\u3057\u305f\u308a\u3001TTL\u7d4c\u904e\u3067\u30ec\u30b3\u30fc\u30c9\u3092\u53e4\u304f\u3057\u305f\u308a\u3001\u7279\u5b9a\u306e\u30ea\u30be\u30eb\u30d0\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u306fDotcom-Monitor\u306e\u7279\u5fb4\u3067\u3042\u308a\u3001DNS\u304c\u6b63\u5e38\u3068\u4eee\u5b9a\u3059\u308b\u30e2\u30cb\u30bf\u30fc\u3068\u5b9f\u969b\u306b\u30c6\u30b9\u30c8\u3059\u308b\u30e2\u30cb\u30bf\u30fc\u306e\u5883\u754c\u7dda\u3067\u3082\u3042\u308a\u307e\u3059\u3002DNS\u554f\u984c\u306e\u691c\u77e5\u304c\u30c1\u30a7\u30c3\u30af\u306e\u76ee\u7684\u306a\u3089\u3001\u307b\u3068\u3093\u3069\u306e\u30c4\u30fc\u30eb\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u300c\u3059\u3079\u3066\u30ad\u30e3\u30c3\u30b7\u30e5\u300d\u8a2d\u5b9a\u3053\u305d\u304c\u554f\u984c\u3092\u96a0\u3059\u539f\u56e0\u3067\u3059\u3002<\/p>\n<h2 id='\u6b63\u3057\u3044dns\u30e2\u30fc\u30c9\u306e\u9078\u3073\u65b9'  id=\"boomdevs_9\" id=\"how-to-choose-the-right-dns-mode\">\u6b63\u3057\u3044DNS\u30e2\u30fc\u30c9\u306e\u9078\u3073\u65b9<\/h2>\n<p>\u671b\u3080\u30e2\u30fc\u30c9\u306f\u30e2\u30cb\u30bf\u30fc\u304c\u7b54\u3048\u308b\u8cea\u554f\u306b\u3088\u308a\u307e\u3059\u3002DevOps\u3084SRE\u30c1\u30fc\u30e0\u3067\u3088\u304f\u898b\u3089\u308c\u308b\u30d1\u30bf\u30fc\u30f3\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<p><strong>DNS\u969c\u5bb3\u3092\u3067\u304d\u308b\u3060\u3051\u65e9\u304f\u691c\u77e5\u3057\u305f\u3044\u3002<\/strong> \u975e\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u4f7f\u3044\u307e\u3059\u3002\u89e3\u6c7a\u306b\u5931\u6557\u3059\u308b\u3068\u3059\u3050\u306b\u30a2\u30e9\u30fc\u30c8\u3092\u51fa\u3059\u30c1\u30a7\u30c3\u30af\u3067\u306f\u3001\u30ec\u30b8\u30b9\u30c8\u30e9\u306e\u8aa4\u8a2d\u5b9a\u3001\u671f\u9650\u5207\u308c\u30be\u30fc\u30f3\u3001\u30ec\u30b3\u30fc\u30c9\u306e\u4e57\u3063\u53d6\u308a\u306a\u3069\u3001\u53e4\u3044\u7b54\u3048\u304c\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u6b8b\u3063\u3066\u3044\u3066\u306f\u610f\u5473\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u6bce\u56de\u65b0\u9bae\u306b\u89e3\u6c7a\u3059\u308b\u3053\u3068\u3067\u6b21\u56de\u30c1\u30a7\u30c3\u30af\u3067\u969c\u5bb3\u3092\u691c\u77e5\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u53b3\u5bc6\u306a<a href=\"https:\/\/www.dotcom-monitor.com\/ja\/%e9%a1%94%e7%ab%8b%e3%81%a1\/%e7%89%b9%e5%be%b4%e3%82%a2%e3%83%a9%e3%83%bc%e3%83%88\/\">\u30a2\u30e9\u30fc\u30c8\u8a2d\u5b9a<\/a>\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u30aa\u30f3\u30b3\u30fc\u30eb\u306e\u62c5\u5f53\u8005\u306b\u901a\u77e5\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><strong>\u5b9f\u969b\u306e\u8a2a\u554f\u8005\u3068\u540c\u3058\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u6c42\u3081\u3066\u3044\u308b\u3002<\/strong> TTL\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u4f7f\u3044\u307e\u3059\u3002SLA\u3092\u652f\u3048\u308b<a href=\"https:\/\/www.dotcom-monitor.com\/ja\/%e3%82%bd%e3%83%aa%e3%83%a5%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3\/%e3%82%a2%e3%83%83%e3%83%97%e3%82%bf%e3%82%a4%e3%83%a0\/\">\u7a3c\u50cd\u7387\u76e3\u8996<\/a>\u3084\u5b9f\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u3067\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u89e3\u6c7a\u52d5\u4f5c\u3092\u6a21\u3057\u305f\u307b\u3046\u304c\u6570\u5024\u306e\u6b63\u78ba\u6027\u304c\u4fdd\u305f\u308c\u307e\u3059\u3002DNS\u969c\u5bb3\u691c\u77e5\u306e\u9045\u308c\u304c\u6c17\u306b\u306a\u308b\u5834\u5408\u306f\u5225\u306b\u975e\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30c1\u30a7\u30c3\u30af\u3092\u7528\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><strong>\u540c\u3058\u30db\u30b9\u30c8\u306b\u5bfe\u3057\u3066\u8907\u6570\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u3002<\/strong> \u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30c7\u30d0\u30a4\u30b9\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u666e\u901a\u306f\u9069\u5207\u3067\u3059\u3002DNS\u8ca0\u8377\u3092\u6291\u3048\u3064\u30641\u30e9\u30f3\u5185\u30671\u56de\u306e\u89e3\u6c7a\u3067\u6e08\u307f\u307e\u3059\u3002\u30bf\u30b9\u30af\u3054\u3068\u306e\u30a6\u30a9\u30fc\u30bf\u30fc\u30d5\u30a9\u30fc\u30eb\u56f3\u3092\u95b2\u89a7\u3059\u308b\u3068\u304d\u306f\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u52d5\u4f5c\u3092\u7406\u89e3\u3057\u3066\u3001\u6700\u521d\u306e\u30bf\u30b9\u30af\u304c\u89e3\u6c7a\u6642\u9593\u3092\u8ca0\u62c5\u3057\u3066\u3044\u308b\u3068\u898b\u306a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><strong>\u7279\u5b9a\u306e\u30ea\u30be\u30eb\u30d0\u3092\u78ba\u8a8d\u3057\u305f\u3044\u3002<\/strong> \u5916\u90e8DNS\u30b5\u30fc\u30d0\u30fc\u30e2\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002Google\u3084Cloudflare\u306e\u30d1\u30d6\u30ea\u30c3\u30af\u30ea\u30be\u30eb\u30d0\u304c\u6b63\u3057\u3044\u30ec\u30b3\u30fc\u30c9\u3092\u8fd4\u3059\u304b\u691c\u8a3c\u3057\u305f\u308a\u3001\u76f4\u63a5\u6a29\u5a01\u30b5\u30fc\u30d0\u30fc\u306e\u52d5\u4f5c\u3092\u30c1\u30a7\u30c3\u30af\u3057\u305f\u308a\u3059\u308b\u3068\u304d\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u30bf\u30fc\u30b2\u30c3\u30c8\u3092\u7d5e\u3063\u305f\u30c6\u30b9\u30c8\u306a\u306e\u3067\u3001\u5168\u4f53\u3092\u628a\u63e1\u3059\u308b\u305f\u3081\u306b\u3082\u3063\u3068\u5e83\u3044\u30c1\u30a7\u30c3\u30af\u3082\u4f75\u7528\u3059\u308b\u3068\u826f\u3044\u3067\u3057\u3087\u3046\u3002\u3088\u308a\u5e83\u3044\u6226\u7565\u306b\u3064\u3044\u3066\u306f<a href=\"https:\/\/www.dotcom-monitor.com\/blog\/ja\/best-dns-monitoring-tools\/\">DNS\u76e3\u8996\u30c4\u30fc\u30eb\u306e\u307e\u3068\u3081<\/a>\u3082\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2 id='\u5404\u30e2\u30fc\u30c9\u3067\u691c\u77e5\u3067\u304d\u308bdns\u30a8\u30e9\u30fc'  id=\"boomdevs_10\" id=\"which-dns-errors-each-mode-catches\">\u5404\u30e2\u30fc\u30c9\u3067\u691c\u77e5\u3067\u304d\u308bDNS\u30a8\u30e9\u30fc<\/h2>\n<p>DNS\u306f\u3088\u304f\u3042\u308b\u969c\u5bb3\u30dd\u30a4\u30f3\u30c8\u3067\u3001\u3055\u307e\u3056\u307e\u306a\u539f\u56e0\u3067\u5931\u6557\u3057\u307e\u3059\u3002\u79fb\u884c\u6642\u306b\u30ec\u30b3\u30fc\u30c9\u304c\u5909\u66f4\u3055\u308c\u305f\u308a\u3001\u30be\u30fc\u30f3\u304c\u671f\u9650\u5207\u308c\u306b\u306a\u3063\u305f\u308a\u3001\u6a29\u5a01\u30b5\u30fc\u30d0\u30fc\u304c\u30c0\u30a6\u30f3\u3057\u305f\u308a\u3001\u6700\u60aa\u306e\u5834\u5408\u306f\u653b\u6483\u8005\u304c\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u6c5a\u67d3\u3057\u3066\u30c9\u30e1\u30a4\u30f3\u3092\u64cd\u4f5c\u4e0b\u306e\u30b5\u30fc\u30d0\u30fc\u3078\u5411\u3051\u305f\u308a\u3057\u307e\u3059\u3002\u89e3\u6c7a\u30e2\u30fc\u30c9\u304c\u3053\u308c\u3089\u3092\u3069\u306e\u901f\u3055\u3067\u691c\u77e5\u3059\u308b\u304b\u3092\u6c7a\u3081\u307e\u3059\u3002<\/p>\n<p>\u975e\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u5e38\u306b\u65b0\u3057\u3044\u7b54\u3048\u3092\u5f97\u308b\u305f\u3081\u3001\u89e3\u6c7a\u554f\u984c\u3092\u6700\u901f\u3067\u8868\u9762\u5316\u3057\u307e\u3059\u3002TTL\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u53e4\u3044\u6709\u52b9\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u969c\u5bb3\u3092\u96a0\u3059\u305f\u3081\u6700\u3082\u9045\u3044\u3067\u3059\u3002\u5916\u90e8DNS\u30b5\u30fc\u30d0\u30fc\u306f\u6307\u5b9a\u3057\u305f\u30ea\u30be\u30eb\u30d0\u306e\u554f\u984c\u3092\u691c\u77e5\u3057\u307e\u3059\u304c\u3001\u30c1\u30a7\u30fc\u30f3\u306e\u4ed6\u306e\u90e8\u5206\u306e\u554f\u984c\u306f\u898b\u3064\u3051\u3089\u308c\u307e\u305b\u3093\u3002\u5404\u968e\u5c64\u3067\u306e\u30c1\u30a7\u30c3\u30af\u306e\u969c\u5bb3\u5185\u8a33\u3092\u77e5\u308a\u305f\u3044\u5834\u5408\u306f<a href=\"https:\/\/www.dotcom-monitor.com\/blog\/ja\/website-monitoring-errors-dns-tcp-tls-http\/\">DNS\u3001TCP\u3001TLS\u3001HTTP\u306e\u30a8\u30e9\u30fc<\/a>\u30ac\u30a4\u30c9\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002\u969c\u5bb3\u5bfe\u7b56\u306b\u306f<a href=\"https:\/\/www.dotcom-monitor.com\/blog\/ja\/dns-%e3%81%ae%e5%81%9c%e6%ad%a2%e3%82%92%e5%9b%9e%e9%81%bf%e3%81%99%e3%82%8b-dns-%e7%9b%a3%e8%a6%96%e3%81%ab%e3%82%88%e3%82%8b%e3%83%80%e3%82%a6%e3%83%b3%e3%82%bf%e3%82%a4%e3%83%a0%e3%81%ae%e7%9f%ad\/\">DNS\u969c\u5bb3\u56de\u907f\u306e\u30d7\u30ec\u30a4\u30d6\u30c3\u30af<\/a>\u3068\u975e\u30ad\u30e3\u30c3\u30b7\u30e5\u30c1\u30a7\u30c3\u30af\u306e\u7d44\u307f\u5408\u308f\u305b\u3082\u52b9\u679c\u7684\u3067\u3059\u3002<\/p>\n<p>\u3069\u306e\u30e2\u30fc\u30c9\u3092\u4f7f\u3046\u306b\u305b\u3088\u3001DNS\u76e3\u8996\u306e\u30dd\u30a4\u30f3\u30c8\u306f\u81ea\u5206\u304c\u8a2d\u5b9a\u3057\u3066\u3044\u306a\u3044IP\u3078\u540d\u524d\u89e3\u6c7a\u304c\u5909\u308f\u3063\u305f\u3053\u3068\u3092\u3044\u3061\u65e9\u304f\u5bdf\u77e5\u3059\u308b\u3053\u3068\u3067\u3059\u3002Dotcom-Monitor\u306f\u30db\u30b9\u30c8\u540d\u304c\u4e88\u671f\u3057\u306a\u3044IP\u306b\u89e3\u6c7a\u3055\u308c\u305f\u5834\u5408\u306b\u30a8\u30e9\u30fc\u3092\u751f\u6210\u3057\u30a2\u30e9\u30fc\u30c8\u3092\u767a\u4fe1\u3059\u308b\u306e\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u9593\u9055\u3063\u305f\u30b5\u30fc\u30d0\u30fc\u306b\u5230\u9054\u3059\u308b\u524d\u306b\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2 id='dotcom-monitor\u3067\u306edns\u30e2\u30fc\u30c9\u8a2d\u5b9a\u65b9\u6cd5'  id=\"boomdevs_11\" id=\"how-to-set-the-dns-mode-in-dotcom-monitor\">Dotcom-Monitor\u3067\u306eDNS\u30e2\u30fc\u30c9\u8a2d\u5b9a\u65b9\u6cd5<\/h2>\n<p>\u89e3\u6c7a\u30e2\u30fc\u30c9\u306e\u5909\u66f4\u306f\u76e3\u8996\u30bf\u30b9\u30af\u3067\u6570\u30af\u30ea\u30c3\u30af\u3067\u3067\u304d\u307e\u3059\u3002\u30c7\u30d0\u30a4\u30b9\u7a2e\u5225\u306b\u3088\u308a\u30e9\u30d9\u30eb\u306f\u591a\u5c11\u7570\u306a\u308a\u307e\u3059\u304c\u6d41\u308c\u306f\u540c\u3058\u3067\u3059\u3002<\/p>\n<ol class=\"steps\">\n<li><strong>\u30b9\u30c6\u30c3\u30d71\uff1a<\/strong> Dotcom-Monitor\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u8a2d\u5b9a\u3057\u305f\u3044\u30c7\u30d0\u30a4\u30b9\u307e\u305f\u306f\u30bf\u30b9\u30af\u3092\u958b\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u30b9\u30c6\u30c3\u30d72\uff1a<\/strong> \u30bf\u30b9\u30af\u8a2d\u5b9a\u3092\u7de8\u96c6\u3057\u3001DNS\u89e3\u6c7a\u30e2\u30fc\u30c9\uff08\u307e\u305f\u306fDNS\u30aa\u30d7\u30b7\u30e7\u30f3\uff09\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u63a2\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30b9\u30c6\u30c3\u30d73\uff1a<\/strong> 4\u3064\u306e\u30e2\u30fc\u30c9\u304b\u3089\u3044\u305a\u308c\u304b\u3092\u9078\u629e\u3057\u307e\u3059\uff1a\u30c7\u30d0\u30a4\u30b9\u30ad\u30e3\u30c3\u30b7\u30e5\u3001\u975e\u30ad\u30e3\u30c3\u30b7\u30e5\u3001TTL\u30ad\u30e3\u30c3\u30b7\u30e5\u3001\u5916\u90e8DNS\u30b5\u30fc\u30d0\u30fc\u3002<\/li>\n<li><strong>\u30b9\u30c6\u30c3\u30d74\uff1a<\/strong> \u5916\u90e8DNS\u30b5\u30fc\u30d0\u30fc\u3092\u9078\u3093\u3060\u5834\u5408\u306f\u3001\u554f\u3044\u5408\u308f\u305b\u308b\u30ea\u30be\u30eb\u30d0IP\uff08\u4f8b\uff1a8.8.8.8\u30841.1.1.1\uff09\u3092\u5165\u529b\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30b9\u30c6\u30c3\u30d75\uff1a<\/strong> \u30bf\u30b9\u30af\u3092\u4fdd\u5b58\u3057\u3066\u8907\u6570\u56de\u306e\u9593\u9694\u3067\u5b9f\u884c\u3057\u3001\u5fdc\u7b54\u6642\u9593\u306e\u5185\u8a33\u3092\u78ba\u8a8d\u3057\u3066DNS\u30bf\u30a4\u30df\u30f3\u30b0\u304c\u671f\u5f85\u901a\u308a\u304b\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<p>Dotcom-Monitor\u306e<a href=\"https:\/\/www.dotcom-monitor.com\/ja\/%e9%a1%94%e7%ab%8b%e3%81%a1\/%e7%89%b9%e5%be%b4%e7%9b%a3%e8%a6%96%e3%83%8d%e3%83%83%e3%83%88%e3%83%af%e3%83%bc%e3%82%af\/\">\u30b0\u30ed\u30fc\u30d0\u30eb\u76e3\u8996\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/a>\u304c\u5404\u30c7\u30d0\u30a4\u30b9\u306e\u5b9f\u884c\u5143\u3068\u306a\u308b\u305f\u3081\u3001\u8a2d\u5b9a\u5f8c\u306f\u7570\u306a\u308b\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u304b\u3089\u306e\u89e3\u6c7a\u6319\u52d5\u3092\u6bd4\u8f03\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2 id='\u307e\u3068\u3081'  id=\"boomdevs_12\" 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