{"id":12,"date":"2026-09-18T06:03:47","date_gmt":"2026-09-17T21:03:47","guid":{"rendered":"https:\/\/www.theipv6portal.org\/column\/whois-lookup-basics\/"},"modified":"2026-09-18T16:13:06","modified_gmt":"2026-09-18T07:13:06","slug":"whois-lookup-basics","status":"publish","type":"post","link":"https:\/\/www.theipv6portal.org\/column\/whois-lookup-basics\/","title":{"rendered":"WHOIS\u691c\u7d22\u3068\u306f\uff1f\u30c9\u30e1\u30a4\u30f3\u306e\u767b\u9332\u60c5\u5831\u3068\u6709\u52b9\u671f\u9650\u3092\u8abf\u3079\u308b\u65b9\u6cd5"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u8abf\u3079\u3066\u3044\u308b\u3068\u5fc5\u305a\u51fa\u3066\u304f\u308b\u306e\u304c\u300cWHOIS\uff08\u30d5\u30fc\u30a4\u30ba\uff09\u300d\u3067\u3059\u3002\u540d\u524d\u306f\u77e5\u3063\u3066\u3044\u3066\u3082\u3001<strong>\u3069\u3053\u306e\u8ab0\u304c\u516c\u958b\u3057\u3066\u3044\u308b\u60c5\u5831\u306a\u306e\u304b<\/strong>\u3001<strong>\u4f55\u304c\u308f\u304b\u3063\u3066\u4f55\u304c\u308f\u304b\u3089\u306a\u3044\u306e\u304b<\/strong>\u307e\u3067\u6574\u7406\u3067\u304d\u3066\u3044\u308b\u4eba\u306f\u610f\u5916\u3068\u591a\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001WHOIS\u306e\u4ed5\u7d44\u307f\u3068\u5b9f\u52d9\u3067\u306e\u4f7f\u3044\u3069\u3053\u308d\u3092\u56f3\u89e3\u3067\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">WHOIS\u3068\u306f\u300c\u30c9\u30e1\u30a4\u30f3\u306e\u767b\u8a18\u7c3f\u300d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">WHOIS\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u3084IP\u30a2\u30c9\u30ec\u30b9\u306e<strong>\u767b\u9332\u60c5\u5831\u3092\u8ab0\u3067\u3082\u53c2\u7167\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u4ed5\u7d44\u307f<\/strong>\u3067\u3059\u3002\u571f\u5730\u306e\u767b\u8a18\u7c3f\u306b\u8fd1\u3044\u30a4\u30e1\u30fc\u30b8\u3067\u3001\u300c\u305d\u306e\u30c9\u30e1\u30a4\u30f3\u306f\u8ab0\u304c\u3001\u3044\u3064\u767b\u9332\u3057\u3001\u3044\u3064\u307e\u3067\u6709\u52b9\u306a\u306e\u304b\u300d\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u60c5\u5831\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u3092\u7ba1\u7406\u3059\u308b<strong>\u30ec\u30b8\u30b9\u30c8\u30ea<\/strong>\uff08.jp\u306a\u3089JPRS\u3001.com\u306a\u3089Verisign\u306a\u3069\uff09\u3068\u3001\u8ca9\u58f2\u7a93\u53e3\u3067\u3042\u308b<strong>\u30ec\u30b8\u30b9\u30c8\u30e9<\/strong>\uff08\u304a\u540d\u524d.com\u3001\u30e0\u30fc\u30e0\u30fc\u30c9\u30e1\u30a4\u30f3\u306a\u3069\uff09\u304c\u4fdd\u6301\u3057\u3001WHOIS\u30b5\u30fc\u30d0\u30fc\u7d4c\u7531\u3067\u516c\u958b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1000\" height=\"560\" src=\"https:\/\/www.theipv6portal.org\/column\/wp-content\/uploads\/2026\/09\/fig-whois.png\" alt=\"WHOIS\u60c5\u5831\u306e\u6d41\u308c\uff08\u767b\u9332\u8005\u2192\u30ec\u30b8\u30b9\u30c8\u30e9\u2192\u30ec\u30b8\u30b9\u30c8\u30ea\u2192WHOIS\u30b5\u30fc\u30d0\u30fc\uff09\u3068\u3001WHOIS\u3067\u308f\u304b\u308b\u60c5\u5831\u306e\u4e00\u89a7\" class=\"wp-image-11\" srcset=\"https:\/\/www.theipv6portal.org\/column\/wp-content\/uploads\/2026\/09\/fig-whois.png 1000w, https:\/\/www.theipv6portal.org\/column\/wp-content\/uploads\/2026\/09\/fig-whois-300x168.png 300w, https:\/\/www.theipv6portal.org\/column\/wp-content\/uploads\/2026\/09\/fig-whois-768x430.png 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">\u767b\u9332\u8005\u306e\u60c5\u5831\u304c\u30ec\u30b8\u30b9\u30c8\u30e9\u7d4c\u7531\u3067\u30ec\u30b8\u30b9\u30c8\u30ea\u306b\u767b\u9332\u3055\u308c\u3001WHOIS\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u516c\u958b\u3055\u308c\u308b<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">WHOIS\u3067\u5b9f\u969b\u306b\u308f\u304b\u308b\u3053\u3068<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u767b\u9332\u65e5\u30fb\u6709\u52b9\u671f\u9650\u30fb\u6700\u7d42\u66f4\u65b0\u65e5<\/strong>\uff1a\u30c9\u30e1\u30a4\u30f3\u306e\u300c\u5e74\u9f62\u300d\u3068\u5931\u52b9\u30bf\u30a4\u30df\u30f3\u30b0\u304c\u308f\u304b\u308a\u307e\u3059<\/li>\n<li><strong>\u30ec\u30b8\u30b9\u30c8\u30e9\u540d<\/strong>\uff1a\u3069\u306e\u4e8b\u696d\u8005\u3067\u5951\u7d04\u3055\u308c\u3066\u3044\u308b\u304b<\/li>\n<li><strong>\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\uff08NS\uff09<\/strong>\uff1a\u305d\u306e\u30c9\u30e1\u30a4\u30f3\u306eDNS\u3092\u3069\u3053\u304c\u898b\u3066\u3044\u308b\u304b<\/li>\n<li><strong>\u30b9\u30c6\u30fc\u30bf\u30b9<\/strong>\uff1a<code>clientTransferProhibited<\/code> 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\u3084\u4ee3\u7406\u516c\u958b\u30b5\u30fc\u30d3\u30b9\u306e\u540d\u7fa9\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u307b\u3068\u3093\u3069\u3067\u3059\u3002\u3053\u308c\u306f<strong>GDPR\uff08EU\u4e00\u822c\u30c7\u30fc\u30bf\u4fdd\u8b77\u898f\u5247\uff09\u4ee5\u964d\u3001\u500b\u4eba\u60c5\u5831\u306e\u516c\u958b\u304c\u539f\u5247\u5236\u9650\u3055\u308c\u305f<\/strong>\u305f\u3081\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u65b9\u3067 <strong>.jp\u30c9\u30e1\u30a4\u30f3\uff08\u7279\u306b\u7d44\u7e54\u7a2e\u5225\u578b\u306eco.jp\u306a\u3069\uff09\u306f\u3001\u767b\u9332\u7d44\u7e54\u540d\u304c\u516c\u958b\u3055\u308c\u308b<\/strong>\u306e\u304c\u539f\u5247\u3067\u3059\u3002\u65e5\u672c\u56fd\u5185\u306e\u6cd5\u4eba\u30b5\u30a4\u30c8\u3092\u8abf\u3079\u308b\u3068\u304d\u306b\u3001co.jp\u306eWHOIS\u304c\u6709\u529b\u306a\u624b\u304c\u304b\u308a\u306b\u306a\u308b\u306e\u306f\u3053\u306e\u305f\u3081\u3067\u3059\u3002<\/p>\n\n\n\n<h2 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IP\u30a2\u30c9\u30ec\u30b9\u306e\u6301\u3061\u4e3b\u3092\u8abf\u3079\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">WHOIS\u306f\u30c9\u30e1\u30a4\u30f3\u5c02\u7528\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002IP\u30a2\u30c9\u30ec\u30b9\u3092\u5f15\u304f\u3068\u3001<strong>\u5272\u308a\u5f53\u3066\u3092\u53d7\u3051\u3066\u3044\u308b\u7d44\u7e54\u540d\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7bc4\u56f2\u30fbAS\u756a\u53f7<\/strong>\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u30a2\u30af\u30bb\u30b9\u30ed\u30b0\u306b\u6b8b\u3063\u305f\u898b\u6163\u308c\u306a\u3044IP\u304c\u3001\u3069\u3053\u306e\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u3084\u30af\u30e9\u30a6\u30c9\u306e\u3082\u306e\u304b\u3092\u5224\u65ad\u3059\u308b\u6750\u6599\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9f\u969b\u306b\u5f15\u3044\u3066\u307f\u308b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u30b5\u30a4\u30c8\u3067\u306f\u3001\u7528\u9014\u306b\u5fdc\u3058\u30663\u3064\u306eWHOIS\u30c4\u30fc\u30eb\u3092\u7528\u610f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.theipv6portal.org\/whoissingle\" target=\"_blank\" rel=\"noopener\">WHOIS\u5358\u4f53\u30c9\u30e1\u30a4\u30f3\u691c\u7d22<\/a>\uff1a1\u4ef6\u3092\u3058\u3063\u304f\u308a\u78ba\u8a8d\u3057\u305f\u3044\u3068\u304d<\/li>\n<li><a href=\"https:\/\/www.theipv6portal.org\/whois\" target=\"_blank\" rel=\"noopener\">WHOIS\u4e00\u62ec\u691c\u7d22<\/a>\uff1a\u7ba1\u7406\u30c9\u30e1\u30a4\u30f3\u306e\u671f\u9650\u3092\u307e\u3068\u3081\u3066\u68da\u5378\u3057\u3057\u305f\u3044\u3068\u304d<\/li>\n<li><a href=\"https:\/\/www.theipv6portal.org\/ipwhois\" target=\"_blank\" rel=\"noopener\">IP\u30a2\u30c9\u30ec\u30b9WHOIS\u691c\u7d22<\/a>\uff1aIP\u306e\u5272\u308a\u5f53\u3066\u7d44\u7e54\u3068\u9006\u5f15\u304d\u30db\u30b9\u30c8\u540d\u3092\u78ba\u8a8d\u3057\u305f\u3044\u3068\u304d<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>WHOIS\u306f\u30c9\u30e1\u30a4\u30f3\u30fbIP\u306e\u767b\u9332\u60c5\u5831\u3092\u516c\u958b\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3001\u30ec\u30b8\u30b9\u30c8\u30ea\uff0f\u30ec\u30b8\u30b9\u30c8\u30e9\u304c\u60c5\u5831\u6e90<\/li>\n<li>\u767b\u9332\u65e5\u30fb\u6709\u52b9\u671f\u9650\u30fbNS\u30fb\u30b9\u30c6\u30fc\u30bf\u30b9\u306f\u4eca\u3082\u78ba\u5b9f\u306b\u53d6\u5f97\u3067\u304d\u308b<\/li>\n<li>gTLD\u306e\u767b\u9332\u8005\u60c5\u5831\u306fGDPR\u4ee5\u964d\u307b\u307c\u975e\u516c\u958b\u3002.jp\u306f\u7d44\u7e54\u540d\u304c\u516c\u958b\u3055\u308c\u308b<\/li>\n<li>\u30c9\u30e1\u30a4\u30f3\u306e\u7d20\u6027\u78ba\u8a8d\u3001\u671f\u9650\u7ba1\u7406\u3001IP\u306e\u6301\u3061\u4e3b\u7279\u5b9a\u3068\u7528\u9014\u306f\u5e83\u3044<\/li>\n<\/ul>\n\n","protected":false},"excerpt":{"rendered":"<p>WHOIS\u306f\u30c9\u30e1\u30a4\u30f3\u3084IP\u30a2\u30c9\u30ec\u30b9\u306e\u767b\u9332\u60c5\u5831\u3092\u516c\u958b\u3059\u308b\u4ed5\u7d44\u307f\u3002\u8ab0\u304c\u3069\u3053\u304b\u3089\u516c\u958b\u3057\u3066\u3044\u308b\u306e\u304b\u3001\u4f55\u304c\u308f\u304b\u3063\u3066\u4f55\u304c\u308f\u304b\u3089\u306a\u3044\u306e\u304b\u3092\u56f3\u89e3\u3067\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"author":0,"featured_media":7,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[2],"tags":[],"class_list":["post-12","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-domain-whois"],"_links":{"self":[{"href":"https:\/\/www.theipv6portal.org\/column\/wp-json\/wp\/v2\/posts\/12","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.theipv6portal.org\/column\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.theipv6portal.org\/column\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/www.theipv6portal.org\/column\/wp-json\/wp\/v2\/comments?post=12"}],"version-history":[{"count":1,"href":"https:\/\/www.theipv6portal.org\/column\/wp-json\/wp\/v2\/posts\/12\/revisions"}],"predecessor-version":[{"id":23,"href":"https:\/\/www.theipv6portal.org\/column\/wp-json\/wp\/v2\/posts\/12\/revisions\/23"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.theipv6portal.org\/column\/wp-json\/wp\/v2\/media\/7"}],"wp:attachment":[{"href":"https:\/\/www.theipv6portal.org\/column\/wp-json\/wp\/v2\/media?parent=12"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.theipv6portal.org\/column\/wp-json\/wp\/v2\/categories?post=12"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.theipv6portal.org\/column\/wp-json\/wp\/v2\/tags?post=12"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}