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class=\"wp-block-paragraph\">Whois\u30ec\u30b3\u30fc\u30c9\u3068\u306f\u3001\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u30c9\u30e1\u30a4\u30f3\u540d\u767b\u9332\u60c5\u5831\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u3042\u308a\u3001\u6240\u6709\u8005\u306e\u540d\u524d\u3001\u9023\u7d61\u5148\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3001\u96fb\u8a71\u756a\u53f7\u3001\u4f4f\u6240\u306a\u3069\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u60c5\u5831\u306f\u5b9a\u671f\u7684\u306b\u767b\u9332\u696d\u8005\u306e\u7ba1\u7406\u753b\u9762\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u78ba\u8a8d\u3057\u3001\u7279\u306b\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306f\u66f4\u65b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u300cWhois\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u4fdd\u8b77\u300d\u30b5\u30fc\u30d3\u30b9\uff08\u4e00\u90e8\u306e\u767b\u9332\u696d\u8005\u3067\u306f\u7121\u6599\u3067\u63d0\u4f9b\uff09\u3092\u5229\u7528\u3059\u308b\u3068\u3001\u500b\u4eba\u60c5\u5831\u304c\u96a0\u3055\u308c\u3001\u516c\u958b\u306b\u3088\u308b\u30b9\u30d1\u30e0\u30e1\u30fc\u30eb\u3084\u8ff7\u60d1\u884c\u70ba\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30c9\u30e1\u30a4\u30f3\u540d\u306e\u66f4\u65b0\u3068\u6709\u52b9\u671f\u9650\u306b\u95a2\u3059\u308b\u30dd\u30ea\u30b7\u30fc<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u306f\u5229\u7528\u671f\u9593\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u304a\u308a\u3001\u671f\u9650\u5207\u308c\u524d\u306b\u5fc5\u305a\u66f4\u65b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u81ea\u52d5\u66f4\u65b0\u6a5f\u80fd\u3092\u6709\u52b9\u306b\u3057\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u6b8b\u9ad8\u304c\u5341\u5206\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u304c\u4e88\u671f\u305b\u305a\u671f\u9650\u5207\u308c\u306b\u306a\u308b\u306e\u3092\u9632\u3050\u305f\u3081\u306e\u6709\u52b9\u306a\u65b9\u6cd5\u3067\u3059\u3002\u30c9\u30e1\u30a4\u30f3\u540d\u304c\u671f\u9650\u5207\u308c\u306b\u306a\u308b\u3068\u3001\u901a\u5e3830\u65e5\u7a0b\u5ea6\u306e\u66f4\u65b0\u7336\u4e88\u671f\u9593\u304c\u8a2d\u3051\u3089\u308c\u3001\u3053\u306e\u9593\u306b\u5143\u306e\u6240\u6709\u8005\u306f\u5143\u306e\u4fa1\u683c\u3067\u66f4\u65b0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u7336\u4e88\u671f\u9593\u304c\u7d42\u4e86\u3059\u308b\u3068\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u306f\u9ad8\u984d\u3067\u306e\u8cb7\u3044\u623b\u3057\u671f\u9593\u306b\u5165\u308a\u3001\u66f4\u65b0\u30b3\u30b9\u30c8\u304c\u5927\u5e45\u306b\u4e0a\u6607\u3057\u307e\u3059\u3002\u6700\u7d42\u7684\u306b\u8cb7\u3044\u623b\u3055\u308c\u306a\u304b\u3063\u305f\u5834\u5408\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u306f\u524a\u9664\u3055\u308c\u3001\u518d\u767b\u9332\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30c9\u30e1\u30a4\u30f3\u79fb\u7ba1\u3068\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c9\u30e1\u30a4\u30f3\u540d\u306e\u79fb\u8ee2\u3068\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u3042\u308b\u30ec\u30b8\u30b9\u30c8\u30e9\u304b\u3089\u5225\u306e\u30ec\u30b8\u30b9\u30c8\u30e9\u306b\u79fb\u3059\u3053\u3068\u3092\u6307\u3057\u307e\u3059\u3002\u79fb\u8ee2\u3059\u308b\u524d\u306b\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u304c\u30ed\u30c3\u30af\u89e3\u9664\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3001EPP\u30b3\u30fc\u30c9\uff08\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30d7\u30ed\u30d3\u30b8\u30e7\u30cb\u30f3\u30b0\u30b3\u30fc\u30c9\uff09\u3092\u53d6\u5f97\u3057\u3066\u3044\u308b\u3053\u3068\u3001\u305d\u3057\u3066\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304c\u79fb\u8ee2\u78ba\u8a8d\u30e1\u30fc\u30eb\u3092\u53d7\u3051\u53d6\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3059\u308b\u3053\u3068\u3082\u540c\u69d8\u306b\u91cd\u8981\u3067\u3059\u3002\u30ec\u30b8\u30b9\u30c8\u30e9\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u5f37\u529b\u306a\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u8a2d\u5b9a\u3057\u305f\u308a\u3001\u4e8c\u6bb5\u968e\u8a8d\u8a3c\uff082FA\uff09\u3092\u6709\u52b9\u306b\u3057\u305f\u308a\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u507d\u88c5\u3057\u305f\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30e1\u30fc\u30eb\u306b\u6ce8\u610f\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u3067\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u304c\u76d7\u307e\u308c\u308b\u30ea\u30b9\u30af\u3092\u5927\u5e45\u306b\u4f4e\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DNS\u89e3\u6790\u8a2d\u5b9a\u306e\u8a73\u7d30\u30ac\u30a4\u30c9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c9\u30e1\u30a4\u30f3\u540d\u30b7\u30b9\u30c6\u30e0\uff08DNS\uff09\u3068\u306f\u3001\u4eba\u9593\u304c\u8aad\u307f\u53d6\u308a\u3084\u3059\u3044\u30c9\u30e1\u30a4\u30f3\u540d\uff08\u4f8b\uff1awww.example.com\uff09\u3092\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304c\u8aad\u307f\u53d6\u308a\u3084\u3059\u3044IP\u30a2\u30c9\u30ec\u30b9\uff08\u4f8b\uff1a192.0.2.1\uff09\u306b\u5909\u63db\u3059\u308b\u5206\u6563\u578b\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30b5\u30fc\u30d3\u30b9\u3067\u3059\u3002DNS\u3092\u6b63\u3057\u304f\u7406\u89e3\u3057\u3001\u9069\u5207\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u304c\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3084\u30b5\u30fc\u30d3\u30b9\u306b\u6b63\u3057\u304f\u30ea\u30f3\u30af\u3055\u308c\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u6280\u8853\u7684\u306a\u8981\u7d20\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DNS\u30ec\u30b3\u30fc\u30c9\u306e\u7a2e\u985e\u306b\u3064\u3044\u3066\u306e\u8a73\u7d30\u89e3\u8aac<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DNS\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3055\u307e\u3056\u307e\u306a\u6a5f\u80fd\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002\u6700\u3082\u4e00\u822c\u7684\u306a\u30ec\u30b3\u30fc\u30c9\u306b\u306f\u4ee5\u4e0b\u306e\u3082\u306e\u304c\u3042\u308a\u307e\u3059\uff1a<br \/>\n- A\u8bb0\u5f55\uff1a\u5c06\u57df\u540d\u6307\u5411\u4e00\u4e2aIPv4\u5730\u5740\u3002\u8fd9\u662f\u5c06\u57df\u540d\u89e3\u6790\u5230\u7f51\u7ad9\u670d\u52a1\u5668\u6700\u57fa\u672c\u7684\u65b9\u5f0f\u3002<br \/>\n\u2013 AAAA\u30ec\u30b3\u30fc\u30c9\uff1a\u30c9\u30e1\u30a4\u30f3\u540d\u3092IPv6\u30a2\u30c9\u30ec\u30b9\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3057\u307e\u3059\u3002<br \/>\n\u2013 CNAME\u30ec\u30b3\u30fc\u30c9\uff1a\u30c9\u30e1\u30a4\u30f3\u540d\u306e\u30a8\u30a4\u30ea\u30a2\u30b9\u30ec\u30b3\u30fc\u30c9\u3067\u3042\u308a\u3001\u3042\u308b\u30c9\u30e1\u30a4\u30f3\u540d\u3092IP\u30a2\u30c9\u30ec\u30b9\u3067\u306f\u306a\u304f\u5225\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u30ea\u30f3\u30af\u3057\u307e\u3059\u3002\u4e3b\u306b\u3001www\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u3092\u30e1\u30a4\u30f3\u30c9\u30e1\u30a4\u30f3\u306b\u30ea\u30f3\u30af\u3057\u305f\u308a\u3001GitHub Pages\u3084Shopify\u306a\u3069\u306e\u7b2c\u4e09\u8005\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3068\u30b5\u30fc\u30d3\u30b9\u3092\u7d71\u5408\u3057\u305f\u308a\u3059\u308b\u969b\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<br \/>\n\u2013 MX\u30ec\u30b3\u30fc\u30c9\uff08Mail Exchange Record\uff09\uff1a\u30e1\u30fc\u30eb\u4ea4\u63db\u7528\u306e\u30ec\u30b3\u30fc\u30c9\u3067\u3001\u305d\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u95a2\u9023\u3059\u308b\u30e1\u30fc\u30eb\u3092\u53d7\u4fe1\u3059\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<br \/>\n\u2013 TXT\u30ec\u30b3\u30fc\u30c9\uff1a\u30c6\u30ad\u30b9\u30c8\u5f62\u5f0f\u306e\u8a18\u9332\u3067\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u306e\u6240\u6709\u6a29\u78ba\u8a8d\uff08Google\u306eWeb\u30de\u30b9\u30bf\u30fc\u30c4\u30fc\u30eb\u306a\u3069\uff09\u3001\u30e1\u30fc\u30eb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30dd\u30ea\u30b7\u30fc\uff08SPF\u3001DKIM\u3001DMARC\uff09\u306e\u8a2d\u5b9a\u306a\u3069\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<br \/>\n\u2013 NS\u30ec\u30b3\u30fc\u30c9\uff1a\u3053\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u306e\u89e3\u6790\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u6a29\u5a01\u3042\u308bDNS\u30b5\u30fc\u30d0\u30fc\u306e\u30b0\u30eb\u30fc\u30d7\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8a2d\u5b9a\u624b\u9806\u3068TTL\u306e\u8a2d\u5b9a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a2d\u5b9a\u306f\u901a\u5e38\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u767b\u9332\u696d\u8005\u3084\u7b2c\u4e09\u8005\u306eDNS\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\uff08\u4f8b\uff1aCloudflare\u3001\u963f\u91cc\u4e91\u89e3\u6790\uff09\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb\u5185\u3067\u884c\u308f\u308c\u307e\u3059\u3002\u4e0a\u8a18\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u307e\u305f\u306f\u5909\u66f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u91cd\u8981\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u4e00\u3064\u304cTTL\uff08Time To Live\uff09\u3067\u3042\u308a\u3001\u3053\u308c\u306fDNS\u30ec\u30b3\u30fc\u30c9\u304c\u5404\u30ec\u30d9\u30eb\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u30b5\u30fc\u30d0\u30fc\u306b\u4fdd\u6301\u3055\u308c\u308b\u6642\u9593\uff08\u5358\u4f4d\uff1a\u79d2\uff09\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">TTL\uff08Time To Live\uff09\u304c\u77ed\u3044\u5834\u5408\uff08\u4f8b\uff1a300\u79d2\uff09\u3001\u5909\u66f4\u5185\u5bb9\u304c\u4e16\u754c\u4e2d\u3067\u3088\u308a\u8fc5\u901f\u306b\u53cd\u6620\u3055\u308c\u308b\u305f\u3081\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u79fb\u884c\u3084\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u3092\u4e88\u5b9a\u3057\u3066\u3044\u308b\u30b7\u30ca\u30ea\u30aa\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002TTL\u304c\u9577\u3044\u5834\u5408\uff08\u4f8b\uff1a86,400\u79d2\uff09\u306f\u30af\u30a8\u30ea\u306e\u56de\u6570\u304c\u6e1b\u308a\u3001\u89e3\u6790\u901f\u5ea6\u304c\u5411\u4e0a\u3057\u307e\u3059\u304c\u3001\u5909\u66f4\u5185\u5bb9\u306e\u53cd\u6620\u306b\u306f\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3002\u91cd\u5927\u306a\u5909\u66f4\u3092\u8a08\u753b\u3059\u308b\u524d\u306b\u3001\u4e8b\u524d\u306bTTL\u3092\u77ed\u304f\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u696d\u754c\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3067\u3059\u3002<\/p>\n<!-- AUTO_SYNCED_PATTERN_INSERT_START -->\n\n  <div class=\"flex justify-between items-center flex-col lg:flex-row xl:flex-col 2xl:flex-row gap-6 sm:gap-8 rounded-lg border border-gray-200 dark:border-gray-700 p-4 mb-8 lg:mb-10 sm:p-6 bg-white dark:bg-gray-750 shadow-md transition-colors duration-300\"\n         data-link=\"https:\/\/www.likacloud.com\/ja\/tolink\/ultahost-domain\/\">\n\n      <div class=\"flex flex-col gap-3 gap-4 sm:gap-6 w-full\">\n        <strong class=\"text-2xl font-semibold text-gray-900 dark:text-gray-200\">UltaHost\u30c9\u30e1\u30a4\u30f3\u540d\u767b\u9332<\/strong>\n        <div class=\"text-gray-600 dark:text-gray-300 word-word\">300\u4ee5\u4e0a\u306e\u30c9\u30e1\u30a4\u30f3\u30b5\u30d5\u30a3\u30c3\u30af\u30b9\u3001\u5e74\u9593\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d7\u30e9\u30f3\u3092\u9078\u629e\u3057\u3001\u7121\u6599\u306e\u30c9\u30e1\u30a4\u30f3\u3092\u304a\u697d\u3057\u307f\u304f\u3060\u3055\u3044\uff01Ultahost\u306b\u30c9\u30e1\u30a4\u30f3\u3092\u8ee2\u9001\u3059\u308b\u3068\u30011\u5e74\u9593\u306e\u7121\u6599\u66f4\u65b0\u3001.com $9.49\u521d\u5e74\u5ea6\uff01<\/div>\n      <\/div>\n\n      <div class=\"flex items-center flex-col md:flex-row lg:flex-col xl:flex-row 2xl:flex-col gap-6 shrink-0\">\n                  <a href=\"https:\/\/www.likacloud.com\/ja\/tolink\/ultahost-domain\/\">\n                          <!-- \u767d\u5929 -->\n              <img decoding=\"async\" src=\"https:\/\/www.likacloud.com\/wp-content\/uploads\/2025\/12\/20251227020448.webp\" alt=\"\u30c9\u30e1\u30a4\u30f3\u767b\u9332\u30ed\u30b4\" class=\"content-promotion-card-icon h-9 min-h-9 dark:hidden\" title=\"\">\n              <!-- \u591c\u95f4 -->\n              <img decoding=\"async\" src=\"https:\/\/www.likacloud.com\/wp-content\/uploads\/2025\/12\/20251229052118.webp\" alt=\"\u30c9\u30e1\u30a4\u30f3\u767b\u9332\u30ed\u30b4\" class=\"content-promotion-card-icon h-9 min-h-9 hidden dark:block\" title=\"\">\n                      <\/a>\n          \n        <a href=\"https:\/\/www.likacloud.com\/ja\/tolink\/ultahost-domain\/\"\n           class=\"bg-blue-500 w-full md:w-auto lg:w-full xl:w-auto 2xl:w-full text-center !text-white dark:!text-gray-200 !px-5 !py-1.5 rounded-full hover:bg-blue-600 transition-colors\">\n          UltaHost\u3092\u8a2a\u554f\u3059\u308b        <\/a>\n      <\/div>\n    <\/div>\n\n    \n<!-- AUTO_SYNCED_PATTERN_INSERT_END -->\n\n\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e09\u8005DNS\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3059\u308b\u5229\u70b9\uff1a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ec\u30b8\u30b9\u30c8\u30e9\u304c\u63d0\u4f9b\u3059\u308b\u30c7\u30d5\u30a9\u30eb\u30c8\u306eDNS\u3092\u4f7f\u7528\u3059\u308b\u3088\u308a\u3082\u3001Cloudflare\u3001AWS Route 53\u3001\u817e\u8baf\u4e91DNSPod\u306a\u3069\u306e\u5c02\u9580\u7684\u306a\u7b2c\u4e09\u8005DNS\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u9855\u8457\u306a\u5229\u70b9\u304c\u5f97\u3089\u308c\u307e\u3059\uff1a  \n\u2013 \u3088\u308a\u9ad8\u901f\u306a\u30b0\u30ed\u30fc\u30d0\u30eb\u306a\u89e3\u6790\u901f\u5ea6  \n\u2013 \u3088\u308a\u9ad8\u3044\u5b89\u5b9a\u6027\u3068\u5197\u9577\u6027  \n\u2013 \u5f37\u529b\u306aDDoS\u653b\u6483\u5bfe\u7b56  \n\u2013 \u8c4a\u5bcc\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u7ba1\u7406\u6a5f\u80fd\u304a\u3088\u3073\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\uff08DNS\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306a\u3069\uff09  \n\u2013 \u3088\u308a\u7cbe\u5bc6\u306a\u89e3\u6790\u8ca0\u8377\u5206\u6563\u3084\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u8a2d\u5b9a<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u9ad8\u5ea6\u306a\u30c8\u30d4\u30c3\u30af\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u57fa\u672c\u64cd\u4f5c\u3092\u30de\u30b9\u30bf\u30fc\u3057\u305f\u5f8c\u3001\u4ee5\u4e0b\u306e\u9ad8\u5ea6\u306a\u30c8\u30d4\u30c3\u30af\u3084\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u5b66\u3076\u3053\u3068\u3067\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u304a\u3088\u3073DNS\u306e\u7ba1\u7406\u30ec\u30d9\u30eb\u3092\u3055\u3089\u306b\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DNSSEC\uff1aDNS\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3059\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f93\u6765\u306eDNS\uff08Domain Name System\uff09\u30af\u30a8\u30ea\u306e\u5fdc\u7b54\u306f\u3001\u7c21\u5358\u306b\u6539\u3056\u3093\u3055\u308c\u305f\u308a\u6b3a\u304b\u308c\u305f\u308a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002DNSSEC\uff08Domain Name System Security Extensions\uff09\u306f\u3001DNS\u30c7\u30fc\u30bf\u306b\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3001\u5fdc\u7b54\u306e\u771f\u6b63\u6027\u3068\u5b8c\u5168\u6027\u3092\u691c\u8a3c\u3059\u308b\u4ed5\u7d44\u307f\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002DNSSEC\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u53d7\u3051\u53d6\u3063\u305f\u89e3\u6790\u7d50\u679c\u304c\u6b63\u898f\u306e\u6a29\u5a01\u3042\u308b\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306e\u3082\u306e\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u4fe1\u3067\u304d\u307e\u3059\u3002\u307e\u3059\u307e\u3059\u591a\u304f\u306e\u30ec\u30b8\u30b9\u30c8\u30e9\u3084DNS\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304c\u3001DNSSEC\u306e\u7c21\u5358\u306a\u5c0e\u5165\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u306e\u6226\u7565\u7684\u306a\u6d3b\u7528<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b50\u57df\u540d\uff08\u5982 blog.example.com, shop.example.com\uff09\u53ef\u4ee5\u7528\u4e8e\u903b\u8f91\u5212\u5206\u7f51\u7ad9\u7684\u4e0d\u540c\u529f\u80fd\u90e8\u5206\u3002\u6700\u4f73\u5b9e\u8df5\u5305\u62ec\uff1a\u4e3a\u72ec\u7acb\u7684\u5e94\u7528\u6216\u5fae\u670d\u52a1\u4f7f\u7528\u5b50\u57df\u540d\uff1b\u4f7f\u7528\u5b50\u57df\u540d\u5206\u79bb\u9759\u6001\u8d44\u6e90\uff08\u5982 static.example.com\uff09\u4ee5\u63d0\u5347\u52a0\u8f7d\u6027\u80fd\uff1b\u4e3a\u4e0d\u540c\u5730\u533a\u6216\u8bed\u8a00\u7248\u672c\u8bbe\u7acb\u5b50\u57df\u540d\uff08\u5982 us.example.com\uff09\u3002\u5b50\u57df\u540d\u7684DNS\u8bb0\u5f55\u53ef\u4ee5\u72ec\u7acb\u4e8e\u4e3b\u57df\u540d\u8fdb\u884c\u7ba1\u7406\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u76e3\u8996\u3068\u969c\u5bb3\u8a3a\u65ad<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c9\u30e1\u30a4\u30f3\u540d\u3068DNS\u306e\u76e3\u8996\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u78ba\u7acb\u3059\u308b\u3053\u3068\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u5b9a\u671f\u7684\u306b\u30c9\u30e1\u30a4\u30f3\u540d\u306e\u6709\u52b9\u671f\u9650\u3084DNS\u30ec\u30b3\u30fc\u30c9\u306e\u8a2d\u5b9a\u304c\u6b63\u3057\u3044\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002\u30aa\u30f3\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\uff08dig\u3084nslookup\u306e\u30aa\u30f3\u30e9\u30a4\u30f3\u7248\u306a\u3069\uff09\u3092\u5229\u7528\u3057\u3066\u3001\u4e16\u754c\u4e2d\u3067\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u306e\u89e3\u6c7a\u7d50\u679c\u304c\u4e00\u81f4\u3057\u3066\u3044\u308b\u304b\u3001\u7570\u5e38\u304c\u306a\u3044\u304b\u3092\u8abf\u3079\u3066\u304f\u3060\u3055\u3044\u3002\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u304c\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u304f\u306a\u3063\u305f\u5834\u5408\u306f\u3001\u307e\u305aDNS\u306e\u89e3\u6c7a\u51e6\u7406\u304c\u6b63\u5e38\u306b\u884c\u308f\u308c\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3057\u3001A\u30ec\u30b3\u30fc\u30c9\u3084CNAME\u30ec\u30b3\u30fc\u30c9\u304c\u6307\u3057\u793a\u3059IP\u30a2\u30c9\u30ec\u30b9\u3084\u30b5\u30fc\u30d3\u30b9\u304c\u6709\u52b9\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6982\u8981<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c9\u30e1\u30a4\u30f3\u540d\u3068\u306f\u3001\u5358\u306a\u308bURL\u4ee5\u4e0a\u306e\u3082\u306e\u3067\u3059\u3002\u4e01\u5be7\u306b\u767b\u9332\u3055\u308c\u3001\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u8a8d\u8a3c\u3092\u53d7\u3051\u305f\u5f8c\u3001\u65e5\u5e38\u7684\u306aWhois\u60c5\u5831\u306e\u7ba1\u7406\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u7dad\u6301\u3001\u66f4\u65b0\u8a08\u753b\u306e\u7acb\u3066\u65b9\u3001\u305d\u3057\u3066DNS\u89e3\u6790\u8a2d\u5b9a\u306e\u6700\u9069\u5316\uff08\u5404\u7a2e\u30ec\u30b3\u30fc\u30c9\u306e\u7406\u89e3\u3068\u8a2d\u5b9a\u3001TTL\u30dd\u30ea\u30b7\u30fc\u306e\u9069\u7528\uff09\u306b\u81f3\u308b\u307e\u3067\u3001\u3053\u308c\u3089\u3059\u3079\u3066\u304c\u4e00\u3064\u306e\u5b8c\u5168\u306a\u6280\u8853\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u6210\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u304a\u3051\u308b\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u6df1\u304f\u7406\u89e3\u3057\u3001\u5b9f\u8df5\u3059\u308b\u3053\u3068\u3067\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u30d3\u30b8\u30cd\u30b9\u304c\u5b89\u5b9a\u3057\u305f\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u3001\u52b9\u7387\u7684\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u57fa\u76e4\u3092\u6301\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6280\u8853\u306e\u9032\u6b69\u306b\u4f34\u3044\u3001DNSSEC\u306e\u3088\u3046\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316\u7b56\u306b\u7a4d\u6975\u7684\u306b\u6ce8\u76ee\u3057\u3001\u305d\u308c\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u5c06\u6765\u306e\u30c7\u30b8\u30bf\u30eb\u8cc7\u7523\u306e\u5b89\u5168\u6027\u304c\u3055\u3089\u306b\u9ad8\u307e\u308a\u307e\u3059\u3002<\/p>\n<!-- AUTO_SYNCED_PATTERN_INSERT_START -->\n<div class=\"grid grid-cols-1 md:grid-cols-2 gap-4 md:gap-6 mb-8 md:mb-10 mt-10\"> \r\n\t<!-- \u91cd\u590d\u5668\u5faa\u73af\u5f00\u59cb -->\r\n\t\t\r\n\t<!-- \u5546\u5bb6\u5361\u7247 -->\r\n\t<div class=\"bg-white dark:bg-gray-750 rounded-lg overflow-hidden shadow-md flex gap-1 flex-col     justify-between\" data-link=\"https:\/\/www.likacloud.com\/ja\/tolink\/bluehost-domains\/\">\r\n\t\t<div class=\"flex items-start justify-between\"> \r\n\t\t\t<!-- \u5546\u5bb6logo -->\r\n\t\t\t<div class=\"w-16 h-16 bg-blue-200 dark:bg-blue-500\/30 flex items-center justify-center flex-shrink-0 p-3\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.likacloud.com\/wp-content\/uploads\/2025\/12\/20251231095917.webp\" alt=\"Bluehost\u30c9\u30e1\u30a4\u30f3\u767b\u9332\" class=\"w-12 object-contain !dark-filter08\" title=\"\">\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t<\/div>\r\n\t\t\t\r\n\t\t\t<!-- \u5546\u5bb6\u4fe1\u606f -->\r\n\t\t\t<div class=\"px-4 pt-2 flex-grow\">\r\n\t\t\t\t<div class=\"flex justify-between items-start mb-2\">\r\n\t\t\t\t\t<strong class=\"text-xl font-bold\">Bluehost\u30c9\u30e1\u30a4\u30f3\u767b\u9332<\/strong>\r\n\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t<span class=\"text-gray-500 dark:text-gray-300 !text-sm p-4 pb-0\">\u30b5\u30dd\u30fc\u30c8AI\u30c9\u30e1\u30a4\u30f3\u540d\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u300124\u6642\u9593365\u65e5\u306e\u30b5\u30fc\u30d3\u30b9\u30b5\u30dd\u30fc\u30c8<\/span>\r\n\t\t\t\t<div class=\"flex flex-col gap-4 md:gap-6 justify-between p-4\"> \r\n\t\t\t<!-- \u6807\u7b7e -->\r\n\t\t\t\t\t\t\r\n\t\t\t<!-- \u6d3b\u52a8\u548c\u94fe\u63a5 --> \r\n\t\t\t<div class=\"flex justify-between items-center gap-3 flex-col\">\r\n\t\t\t\t\t\t\t\t<div class=\"text-gray-500 dark:text-gray-300 !text-sm line-clamp-1\">AI\u3067\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u751f\u6210\u3059\u308b<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.likacloud.com\/ja\/tolink\/bluehost-domains\/\" class=\"flex justify-end font-bold !text-lg !text-blue-600 dark:!text-blue-500\">Bluehost\u30c9\u30e1\u30a4\u30f3\u540d\u767b\u9332\u3092\u3054\u89a7\u304f\u3060\u3055\u3044<\/a>\r\n\t\t\t\t\t\t\t<\/div> \r\n\t\t<\/div>\r\n\t<\/div>\r\n\t\t\r\n\t<!-- \u5546\u5bb6\u5361\u7247 -->\r\n\t<div class=\"bg-white dark:bg-gray-750 rounded-lg overflow-hidden shadow-md flex gap-1 flex-col     justify-between\" data-link=\"https:\/\/www.likacloud.com\/ja\/tolink\/wordpress-com\/\">\r\n\t\t<div class=\"flex items-start justify-between\"> \r\n\t\t\t<!-- \u5546\u5bb6logo -->\r\n\t\t\t<div class=\"w-16 h-16 bg-blue-200 dark:bg-blue-500\/30 flex items-center justify-center flex-shrink-0 p-3\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.likacloud.com\/wp-content\/uploads\/2026\/01\/20260107032104.svg\" alt=\"WordPress.com\u30c9\u30e1\u30a4\u30f3\u767b\u9332\" class=\"w-12 object-contain !dark-filter08\" title=\"\">\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t<\/div>\r\n\t\t\t\r\n\t\t\t<!-- \u5546\u5bb6\u4fe1\u606f -->\r\n\t\t\t<div class=\"px-4 pt-2 flex-grow\">\r\n\t\t\t\t<div class=\"flex justify-between items-start mb-2\">\r\n\t\t\t\t\t<strong class=\"text-xl font-bold\">WordPress.com\u30c9\u30e1\u30a4\u30f3\u767b\u9332<\/strong>\r\n\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t<span class=\"text-gray-500 dark:text-gray-300 !text-sm p-4 pb-0\">.com\u3001.blog\u3001\u305d\u306e\u4ed6350\u4ee5\u4e0a\u306e\u30c9\u30e1\u30a4\u30f3\u62e1\u5f35\u5b50\u304b\u3089\u304a\u9078\u3073\u3044\u305f\u3060\u3051\u307e\u3059\u3002<\/span>\r\n\t\t\t\t<div class=\"flex flex-col gap-4 md:gap-6 justify-between p-4\"> \r\n\t\t\t<!-- \u6807\u7b7e -->\r\n\t\t\t\t\t\t\r\n\t\t\t<!-- \u6d3b\u52a8\u548c\u94fe\u63a5 --> \r\n\t\t\t<div class=\"flex justify-between items-center gap-3 flex-col\">\r\n\t\t\t\t\t\t\t\t<div class=\"text-gray-500 dark:text-gray-300 !text-sm line-clamp-1\">\u5e74\u9593\u6709\u6599\u30d7\u30e9\u30f3\u3092\u3054\u8cfc\u5165\u306e\u5834\u5408\u3001\u521d\u5e74\u5ea6\u30c9\u30e1\u30a4\u30f3\u540d\u7121\u6599<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.likacloud.com\/ja\/tolink\/wordpress-com\/\" class=\"flex justify-end font-bold !text-lg !text-blue-600 dark:!text-blue-500\">WordPress.com\u306e\u30c9\u30e1\u30a4\u30f3\u767b\u9332\u306f\u3053\u3061\u3089 \u2192 WordPress.com\u306e\u30c9\u30e1\u30a4\u30f3\u767b\u9332\u306f\u3053\u3061\u3089<\/a>\r\n\t\t\t\t\t\t\t<\/div> \r\n\t\t<\/div>\r\n\t<\/div>\r\n\t\t<!-- \u91cd\u590d\u5668\u5faa\u73af\u7ed3\u675f -->\r\n<\/div>\r\n\r\n\r\n\n<!-- AUTO_SYNCED_PATTERN_INSERT_END -->\n\n\n\n\n\n<h2 class=\"wp-block-heading\">FAQ \u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u30c9\u30e1\u30a4\u30f3\u540d\u306e\u767b\u9332\u5f8c\u3001\u3044\u3064\u304b\u3089\u52b9\u529b\u3092\u767a\u63ee\u3057\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c9\u30e1\u30a4\u30f3\u540d\u306f\u3001\u652f\u6255\u3044\u3068\u5fc5\u8981\u306a\u5b9f\u540d\u8a8d\u8a3c\u306e\u5be9\u67fb\u304c\u5b8c\u4e86\u3059\u308b\u3068\u3001\u901a\u5e38\u6570\u5206\u304b\u3089\u6570\u6642\u9593\u4ee5\u5185\u306b\u6709\u52b9\u306b\u306a\u308a\u3001\u4e16\u754c\u4e2d\u3067DNS\u89e3\u6c7a\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u4e16\u754c\u4e2d\u306eDNS\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5b58\u5728\u306b\u3088\u308a\u3001\u5730\u57df\u306b\u3088\u3063\u3066\u306f\u6700\u592748\u6642\u9593\u5f85\u305f\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308bTTL\u5024\u306b\u3088\u3063\u3066\u6c7a\u307e\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DNS\u8a18\u9332\u3092\u5909\u66f4\u3057\u305f\u5f8c\u3001\u306a\u305c\u5168\u4e16\u754c\u3067\u305d\u306e\u5909\u66f4\u304c\u53cd\u6620\u3055\u308c\u308b\u307e\u3067\u306b\u6642\u9593\u304c\u304b\u304b\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DNS\u8a18\u9332\u306e\u5909\u66f4\u306f\u3001\u3059\u3050\u306b\u5168\u4e16\u754c\u3067\u6709\u52b9\u306b\u306a\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u306e\u7406\u7531\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306b\u306f\u8907\u6570\u306eDNS\u30ad\u30e3\u30c3\u30b7\u30e5\u30b5\u30fc\u30d0\u30fc\uff08\u30ed\u30fc\u30ab\u30eb\u306eISP\u3084\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306a\u3069\uff09\u304c\u5b58\u5728\u3059\u308b\u304b\u3089\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u8a18\u9332\u306b\u8a2d\u5b9a\u3055\u308c\u305fTTL\uff08Time To Live\uff09\u5024\u306b\u5f93\u3063\u3066\u53e4\u3044\u89e3\u6790\u7d50\u679c\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3066\u3044\u307e\u3059\u3002\u65b0\u3057\u3044\u8a18\u9332\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u3053\u308c\u3089\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u9806\u6b21\u671f\u9650\u5207\u308c\u306b\u306a\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u5909\u66f4\u5f8c\u306eDNS\u8a18\u9332\u304c\u6709\u52b9\u306b\u306a\u308b\u307e\u3067\u306e\u6642\u9593\u306f\u3001\u5909\u66f4\u524d\u306b\u305d\u306e\u8a18\u9332\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u305fTTL\u5024\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30c9\u30e1\u30a4\u30f3\u540d\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3068\u306f\u4f55\u304b\u3001\u305d\u3057\u3066\u3069\u306e\u3088\u3046\u306b\u3057\u3066\u9632\u3050\u304b\uff1f<\/h3>\n\n\n\n<p 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