{"id":79714,"date":"2025-11-27T10:54:48","date_gmt":"2025-11-27T02:54:48","guid":{"rendered":"https:\/\/lightningxvpn.com\/blog\/?p=79714"},"modified":"2025-11-27T10:54:53","modified_gmt":"2025-11-27T02:54:53","slug":"this-network-is-blocking-encrypted-dns-traffic-ja","status":"publish","type":"post","link":"https:\/\/lightningxvpn.com\/blog\/ja\/this-network-is-blocking-encrypted-dns-traffic-ja\/","title":{"rendered":"\u3053\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u6697\u53f7\u5316\u3055\u308c\u305fDNS\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3044\u307e\u3059"},"content":{"rendered":"\n<p>\u591a\u304f\u306e\u30e6\u30fc\u30b6\u30fc\u306f\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u4e0a\u306e\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u76e3\u8996\u304b\u3089\u5b88\u308b\u305f\u3081\u306b\u6697\u53f7\u5316DNS\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u4e00\u90e8\u306e\u30e6\u30fc\u30b6\u30fc\u306f\u983b\u7e41\u306b\u300c\u3053\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u6697\u53f7\u5316\u3055\u308c\u305fDNS\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3044\u307e\u3059\u300d\u3068\u3044\u3046\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u906d\u9047\u3057\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001\u3053\u306e\u30a8\u30e9\u30fc\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3059\u3079\u3066\u89e3\u8aac\u3057\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u81ea\u7531\u3092\u53d6\u308a\u623b\u3059\u305f\u3081\u306e\u30d2\u30f3\u30c8\u3092\u63a2\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6697\u53f7\u5316\u3055\u308c\u305fDNS\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u308b\u7406\u7531<\/h2>\n\n\n\n<p>\u6697\u53f7\u5316\u3055\u308c\u305f<a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/what-is-dns-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">DNS<\/a>\uff08DoH\u3084DoT\u306a\u3069\uff09\u306f\u3001DNS\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u76e3\u8996\u3055\u308c\u308b\u306e\u3092\u9632\u304e\u3001ISP\u3001\u30cf\u30c3\u30ab\u30fc\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7ba1\u7406\u8005\u304c\u95b2\u89a7\u5c65\u6b74\u3092\u628a\u63e1\u3059\u308b\u306e\u3092\u963b\u6b62\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u4ee5\u4e0b\u306e\u7406\u7531\u304b\u3089\u610f\u56f3\u7684\u306b\u3053\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u5b58\u5728\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<p><strong>1. \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u76e3\u8996\u3068\u5236\u5fa1<\/strong><\/p>\n\n\n\n<p>\u5b66\u6821\u3001\u4f01\u696d\u3001\u30ab\u30d5\u30a7\u3001\u53b3\u683c\u306a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u898f\u5236\u306e\u3042\u308b\u5730\u57df\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u6d3b\u52d5\u3092\u53ef\u8996\u5316\u3059\u308b\u305f\u3081\u306b\u6697\u53f7\u5316DNS\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u6697\u53f7\u5316\u3055\u308c\u305fDNS\u306f\u95b2\u89a7\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u96a0\u3059\u305f\u3081\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u76e3\u8996\u3084\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u5236\u9650\u306e\u5b9f\u65bd\u304c\u4e0d\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u7ba1\u7406\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u7121\u52b9\u5316\u3055\u308c\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>2. \u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u3068\u30dd\u30ea\u30b7\u30fc\u8981\u4ef6<\/strong><\/p>\n\n\n\n<p>\u8077\u5834\u3084\u516c\u5171\u6a5f\u95a2\u3067\u306f\u3001\u5185\u90e8\u30dd\u30ea\u30b7\u30fc\u3084\u6cd5\u7684\u7fa9\u52d9\u3092\u6e80\u305f\u3059\u305f\u3081\u306b\u6697\u53f7\u5316\u3055\u308c\u305fDNS\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u6709\u5bb3\u307e\u305f\u306f\u696d\u52d9\u306b\u95a2\u4fc2\u306e\u306a\u3044\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u3001\u76e3\u67fb\u7528\u306e\u30ed\u30b0\u3092\u4fdd\u6301\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u6697\u53f7\u5316\u3055\u308c\u305fDNS\u306f\u3053\u308c\u3089\u306e\u8981\u4ef6\u306e\u59a8\u3052\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>3. \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u61f8\u5ff5<\/strong><\/p>\n\n\n\n<p>\u7ba1\u7406\u8005\u306f\u3001\u6697\u53f7\u5316DNS\u304c\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3084DNS\u30d9\u30fc\u30b9\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c4\u30fc\u30eb\u3092\u8fc2\u56de\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u3053\u308c\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u96a0\u3055\u308c\u305fDNS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f\u8105\u5a01\u306e\u691c\u51fa\u3092\u56f0\u96e3\u306b\u3057\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u304c\u691c\u77e5\u3055\u308c\u305a\u306b\u901a\u4fe1\u3059\u308b\u305f\u3081\u306b\u6697\u53f7\u5316DNS\u3092\u5229\u7528\u3067\u304d\u308b\u305f\u3081\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u5b89\u5168\u306e\u305f\u3081\u306b\u3053\u308c\u3092\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u300c\u3053\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u6697\u53f7\u5316\u3055\u308c\u305fDNS\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3044\u307e\u3059\u300d\u30a8\u30e9\u30fc\u306e\u4fee\u6b63\u65b9\u6cd5<\/h2>\n\n\n\n<p>\u3053\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u305f\u5834\u5408\u3001\u4f7f\u7528\u4e2d\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u30c7\u30d0\u30a4\u30b9\u3084\u30d6\u30e9\u30a6\u30b6\u306b\u3088\u308bDoH\u3084DoT\u306a\u3069\u306e\u6697\u53f7\u5316DNS\u306e\u4f7f\u7528\u3092\u59a8\u3052\u3066\u3044\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u624b\u9806\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u5b9f\u8df5\u53ef\u80fd\u3067\u3042\u308a\u3001\u521d\u5fc3\u8005\u304b\u3089\u4e0a\u7d1a\u8005\u307e\u3067\u8fc5\u901f\u306b\u554f\u984c\u3092\u89e3\u6c7a\u3067\u304d\u308b\u3088\u3046\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>1. \u5236\u9650\u306e\u5c11\u306a\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u5207\u308a\u66ff\u3048\u308b<\/strong><\/p>\n\n\n\n<p>\u5b66\u6821\u3001\u30aa\u30d5\u30a3\u30b9\u3001\u30db\u30c6\u30eb\u3001\u30ab\u30d5\u30a7\u3001\u516c\u5171Wi-Fi\u306a\u3069\u3001\u4e00\u90e8\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u610f\u56f3\u7684\u306b\u6697\u53f7\u5316DNS\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u3044\u305a\u308c\u304b\u3092\u8a66\u3057\u3066\u518d\u5ea6\u30c6\u30b9\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ul>\n<li>\u30e2\u30d0\u30a4\u30eb\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\u306b\u63a5\u7d9a\u3059\u308b<\/li>\n\n\n\n<li>\u5225\u306e\u81ea\u5b85\u307e\u305f\u306f\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8Wi-Fi\u306b\u5207\u308a\u66ff\u3048\u308b<\/li>\n\n\n\n<li>\u7ba1\u7406\u6a29\u9650\u304c\u3042\u308b\u5834\u5408\u306f\u30eb\u30fc\u30bf\u30fc\u3092\u518d\u8d77\u52d5\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u30a8\u30e9\u30fc\u304c\u89e3\u6d88\u3057\u305f\u5834\u5408\u3001\u5143\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306bDNS\u5236\u9650\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>2. \u30c7\u30d0\u30a4\u30b9\u3067\u30bb\u30ad\u30e5\u30a2DNS\u3092\u6709\u52b9\u306b\u3059\u308b<\/strong><\/p>\n\n\n\n<p>\u307b\u3068\u3093\u3069\u306e\u30c7\u30d0\u30a4\u30b9\u306f\u6697\u53f7\u5316DNS\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u96fb\u6e90\u3092\u5207\u3089\u308c\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u6709\u52b9\u5316\u65b9\u6cd5\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n<p><strong>Windows 11<\/strong><\/p>\n\n\n\n<ol>\n<li><strong>\u8a2d\u5b9a<\/strong>\u3092\u958b\u304f<\/li>\n\n\n\n<li><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8<\/strong>\u306b\u79fb\u52d5<\/li>\n\n\n\n<li><strong>Wi-Fi<\/strong>\u307e\u305f\u306f<strong>\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8<\/strong>\uff08\u4f7f\u7528\u4e2d\u306e\u63a5\u7d9a\uff09\u3092\u9078\u629e<\/li>\n\n\n\n<li><strong>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u30d7\u30ed\u30d1\u30c6\u30a3<\/strong>\u3092\u30af\u30ea\u30c3\u30af<\/li>\n\n\n\n<li><strong>DNS\u30b5\u30fc\u30d0\u30fc\u306e\u5272\u308a\u5f53\u3066<\/strong>\u3067<strong>\u7de8\u96c6<\/strong>\u3092\u30af\u30ea\u30c3\u30af<\/li>\n\n\n\n<li><strong>\u624b\u52d5<\/strong>\u3092\u9078\u629e<\/li>\n\n\n\n<li><strong>IPv4<\/strong>\u3092\u6709\u52b9\u306b\u3057\u3001\u30bb\u30ad\u30e5\u30a2DNS\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\uff08\u4f8b\uff1aCloudflare: 1.1.1.1\uff09\u3092\u5165\u529b<\/li>\n\n\n\n<li><strong>DNS over HTTPS<\/strong>\u3092<strong>\u30aa\u30f3<\/strong>\u306b\u8a2d\u5b9a<\/li>\n\n\n\n<li>\u4fdd\u5b58\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u518d\u63a5\u7d9a<\/li>\n<\/ol>\n\n\n\n<p><strong>macOS<\/strong><\/p>\n\n\n\n<ol>\n<li><strong>\u30b7\u30b9\u30c6\u30e0\u8a2d\u5b9a<\/strong>\u3092\u958b\u304f<\/li>\n\n\n\n<li><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/strong>\u306b\u79fb\u52d5<\/li>\n\n\n\n<li>\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u63a5\u7d9a\u3092\u9078\u629e &gt; <strong>\u8a73\u7d30<\/strong>\u3092\u30af\u30ea\u30c3\u30af<\/li>\n\n\n\n<li><strong>DNS<\/strong>\u30bf\u30d6\u3092\u958b\u304f<\/li>\n\n\n\n<li>\u4fe1\u983c\u3067\u304d\u308bDNS\u30b5\u30fc\u30d0\u30fc\u3092\u8ffd\u52a0\uff08\u4f8b\uff1a1.1.1.1 \u307e\u305f\u306f 9.9.9.9\uff09<\/li>\n\n\n\n<li>\u5909\u66f4\u3092\u4fdd\u5b58<\/li>\n<\/ol>\n\n\n\n<p><strong>Chrome\u30d6\u30e9\u30a6\u30b6<\/strong><\/p>\n\n\n\n<ol>\n<li><strong>\u8a2d\u5b9a<\/strong>\u306b\u79fb\u52d5<\/li>\n\n\n\n<li><strong>\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/strong>\u3092\u958b\u304f<\/li>\n\n\n\n<li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/strong>\u3092\u9078\u629e<\/li>\n\n\n\n<li><strong>\u30bb\u30ad\u30e5\u30a2DNS\u3092\u4f7f\u7528\u3059\u308b<\/strong>\u3092\u30aa\u30f3\u306b\u3059\u308b<\/li>\n\n\n\n<li>Cloudflare\u3084Google\u306a\u3069\u306e\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3092\u9078\u629e<\/li>\n<\/ol>\n\n\n\n<p><strong>Firefox<\/strong><\/p>\n\n\n\n<ol>\n<li><strong>\u8a2d\u5b9a<\/strong>\u3092\u958b\u304f<\/li>\n\n\n\n<li><strong>\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/strong>\u307e\u3067\u30b9\u30af\u30ed\u30fc\u30eb<\/li>\n\n\n\n<li><strong>DNS over HTTPS<\/strong>\u3092\u6709\u52b9\u5316<\/li>\n\n\n\n<li>\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3092\u9078\u629e\u3059\u308b\u304b\u30ab\u30b9\u30bf\u30e0\u30bb\u30ad\u30e5\u30a2DNS\u3092\u5165\u529b<\/li>\n<\/ol>\n\n\n\n<p><strong>3. <\/strong><a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/reset-network-settings-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\"><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u5b9a\u306e\u30ea\u30bb\u30c3\u30c8<\/strong><\/a><\/p>\n\n\n\n<p>\u30c7\u30d0\u30a4\u30b9\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u5b9a\u304c\u53e4\u3044\u304b\u7af6\u5408\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u300c\u3053\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u6697\u53f7\u5316\u3055\u308c\u305fDNS\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3044\u307e\u3059\u300d\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u8a2d\u5b9a\u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210\u5168\u4f53\u304c\u66f4\u65b0\u3055\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<p><strong>Windows<\/strong>\u306e\u5834\u5408\uff1a\u5185\u8535\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ea\u30bb\u30c3\u30c8\u6a5f\u80fd\u3067DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u66f4\u65b0\u3057\u3001PC\u3092\u518d\u8d77\u52d5\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>iOS<\/strong>\u304a\u3088\u3073<strong>Android<\/strong>\u306e\u5834\u5408\uff1a\u30b7\u30b9\u30c6\u30e0\u306e\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u5b9a\u3092\u30ea\u30bb\u30c3\u30c8\u300d\u3067Wi-Fi\u3001\u30e2\u30d0\u30a4\u30eb\u30c7\u30fc\u30bf\u3001DNS\u8a2d\u5b9a\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u306b\u623b\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u518d\u63a5\u7d9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306b\u3088\u308a\u6697\u53f7\u5316DNS\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u96a0\u308c\u305f\u554f\u984c\u304c\u89e3\u6c7a\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>4. \u30eb\u30fc\u30bf\u30fc\u306eDNS\u8a2d\u5b9a\u3092\u5909\u66f4\u3059\u308b<\/strong><\/p>\n\n\n\n<p>\u30eb\u30fc\u30bf\u30fc\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u5834\u5408\uff1a<\/p>\n\n\n\n<ol>\n<li>\u30eb\u30fc\u30bf\u30fc\u306e\u7ba1\u7406\u30d1\u30cd\u30eb\u306b\u30ed\u30b0\u30a4\u30f3\uff08\u901a\u5e38\u306f192.168.0.1\u306a\u3069\u306eIP\u7d4c\u7531\uff09<\/li>\n\n\n\n<li><strong>LAN<\/strong>\u3001<strong>WAN<\/strong>\u3001\u307e\u305f\u306f<strong>DNS\u8a2d\u5b9a<\/strong>\u306b\u79fb\u52d5<\/li>\n\n\n\n<li><a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/what-is-my-isp-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">ISP<\/a>\u306eDNS\u3092Cloudflare\uff081.1.1.1\uff09\u3084Quad9\uff089.9.9.9\uff09\u306a\u3069\u306e\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306b\u7f6e\u304d\u63db\u3048\u308b<\/li>\n\n\n\n<li>\u8a2d\u5b9a\u3092\u4fdd\u5b58\u3057\u3001\u63a5\u7d9a\u30c7\u30d0\u30a4\u30b9\u3092\u518d\u8d77\u52d5<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u5168\u30c7\u30d0\u30a4\u30b9\u304c\u81ea\u52d5\u7684\u306b\u5b89\u5168\u306aDNS\u3092\u4f7f\u7528\u3059\u308b\u3088\u3046\u5f37\u5236\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6697\u53f7\u5316DNS\u306a\u3057\u3067\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u5411\u4e0a\u3055\u305b\u308b\u305d\u306e\u4ed6\u306e\u65b9\u6cd5<\/h2>\n\n\n\n<p>\u6697\u53f7\u5316DNS\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u3066\u3082\u3001\u4ed6\u306e\u65b9\u6cd5\u3067\u30aa\u30f3\u30e9\u30a4\u30f3\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u5f37\u5316\u3067\u304d\u307e\u3059\uff1a<\/p>\n\n\n\n<p><strong>\u2022 \u4fe1\u983c\u6027\u306e\u9ad8\u3044VPN\u306e\u5229\u7528<\/strong><\/p>\n\n\n\n<p>VPN\u306fDNS\u30af\u30a8\u30ea\u3060\u3051\u3067\u306a\u304f\u5168\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u901a\u4fe1\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u3001ISP\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7ba1\u7406\u8005\u304c\u6d3b\u52d5\u3092\u76e3\u8996\u3057\u305f\u308a\u5236\u9650\u3092\u8ab2\u3057\u305f\u308a\u3059\u308b\u306e\u304c\u56f0\u96e3\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/lightningxvpn.com\/ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\"><strong>LightningX VPN<\/strong><\/a>\u306f\u5f37\u529b\u306a\u9078\u629e\u80a2\u3067\u3059\u3002AES-256-GCM\u3084ChaCha20-Poly1305\u3068\u3044\u3063\u305f\u5805\u7262\u306a\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u3001\u6f0f\u6d29\u9632\u6b62\u306e\u305f\u3081\u306e\u591a\u5c64DNS\u4fdd\u8b77\u3092\u63a1\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d6\u30ed\u30c3\u30af\u3067DNS\u304c\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u3066\u3082\u3001VPN\u30c8\u30f3\u30cd\u30eb\u304c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u975e\u516c\u958b\u6027\u3068\u5236\u9650\u306e\u89e3\u9664\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u3055\u3089\u306bLightningX VPN\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u5b9f\u969b\u306eIP\u30a2\u30c9\u30ec\u30b9\u304c\u96a0\u3055\u308c\u3001\u3059\u3079\u3066\u306e\u30aa\u30f3\u30e9\u30a4\u30f3\u30c7\u30fc\u30bf\u304c\u5341\u5206\u306b\u4fdd\u8b77\u3055\u308c\u3001\u8ab0\u306b\u3082\u898b\u3048\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-1 wp-block-buttons-is-layout-flex\" style=\"margin-top:var(--wp--preset--spacing--10);margin-bottom:var(--wp--preset--spacing--10)\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-75 has-custom-font-size is-style-outline\" style=\"font-size:clamp(0.875rem, 0.875rem + ((1vw - 0.2rem) * 0.542), 1.2rem);\"><a class=\"wp-block-button__link has-base-2-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/lightningxvpn.com\/ja\/download\" style=\"border-style:none;border-width:0px;border-radius:100px;background-color:#ffb700;padding-top:var(--wp--preset--spacing--10);padding-right:0;padding-bottom:var(--wp--preset--spacing--10);padding-left:0\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>LightningX VPN \u7121\u6599\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"535\" height=\"622\" src=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/01\/lightningx-vpn-ja-1.png\" alt=\"LightningX VPN\" class=\"wp-image-40697\" style=\"border-width:1px;width:430px;height:auto\" srcset=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/01\/lightningx-vpn-ja-1.png 535w, https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2025\/01\/lightningx-vpn-ja-1-258x300.png 258w\" sizes=\"(max-width: 535px) 100vw, 535px\" \/><\/figure>\n\n\n\n<p><strong>\u2022 <\/strong><a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/private-browser-or-search-engine-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\"><strong>\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u91cd\u8996\u306e\u30d6\u30e9\u30a6\u30b6<\/strong><\/a>\u3092\u5229\u7528\u3059\u308b<\/p>\n\n\n\n<p>\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u512a\u5148\u3059\u308b\u30d6\u30e9\u30a6\u30b6\u306b\u5207\u308a\u66ff\u3048\u308b\u3053\u3068\u3067\u3001\u8ffd\u8de1\u3092\u5927\u5e45\u306b\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002<strong>Brave<\/strong>\u3001<strong>Firefox<\/strong>\u3001<strong>DuckDuckGo Browser<\/strong>\u306a\u3069\u306e\u30d6\u30e9\u30a6\u30b6\u306b\u306f\u3001\u30c8\u30e9\u30c3\u30ab\u30fc\u30d6\u30ed\u30c3\u30af\u6a5f\u80fd\u3001\u30d5\u30a3\u30f3\u30ac\u30fc\u30d7\u30ea\u30f3\u30c8\u5bfe\u7b56\u3001\u5f37\u5316\u3055\u308c\u305fDNS\u51e6\u7406\u304c\u6a19\u6e96\u642d\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u2022 HTTPS Everywhere\u3092\u6709\u52b9\u306b\u3059\u308b<\/strong><\/p>\n\n\n\n<p>\u6700\u65b0\u306e\u30d6\u30e9\u30a6\u30b6\u306e\u591a\u304f\u306f\u81ea\u52d5\u7684\u306bHTTPS\u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3057\u307e\u3059\u304c\u3001\u78ba\u5b9f\u306b\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u3067\u30c7\u30fc\u30bf\u306e\u508d\u53d7\u304b\u3089\u4fdd\u8b77\u3055\u308c\u307e\u3059\u3002HTTPS\u306f\u3001DNS\u304c\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u304f\u3066\u3082\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3068\u306e\u901a\u4fe1\u304c\u6697\u53f7\u5316\u3055\u308c\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u95a2\u9023\u8a18\u4e8b: <a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/http-vs-https-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">HTTP HTTPS \u9055\u3044\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5411\u4e0a\u306e\u305f\u3081\u306e\u7406\u89e3\u30ac\u30a4\u30c9<\/a><\/p>\n\n\n\n<p><strong>\u2022 \u30c7\u30d0\u30a4\u30b9\u3068\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u6700\u65b0\u306e\u72b6\u614b\u306b\u4fdd\u3064<\/strong><\/p>\n\n\n\n<p>\u30b7\u30b9\u30c6\u30e0\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306b\u306f\u3001DNS\u51e6\u7406\u3001\u6697\u53f7\u5316\u30d7\u30ed\u30c8\u30b3\u30eb\u3001\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u4fdd\u8b77\u306e\u6539\u5584\u304c\u542b\u307e\u308c\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002OS\u3001\u30d6\u30e9\u30a6\u30b6\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c4\u30fc\u30eb\u3001\u30eb\u30fc\u30bf\u30fc\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u306e\u66f4\u65b0\u306f\u3001\u5b89\u5168\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>\u2022 \u5b89\u5168\u306a\u30e1\u30fc\u30eb\u30fb\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u306e\u5229\u7528<\/strong><\/p>\n\n\n\n<p>\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u6697\u53f7\u5316\u3092\u6a19\u6e96\u88c5\u5099\u3057\u305f\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3078\u5207\u308a\u66ff\u3048\u307e\u3057\u3087\u3046\uff1a<\/p>\n\n\n\n<ul>\n<li>Signal<\/li>\n\n\n\n<li>Telegram\uff08\u30b7\u30fc\u30af\u30ec\u30c3\u30c8\u30c1\u30e3\u30c3\u30c8\uff09<\/li>\n\n\n\n<li>Proton Mail<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30b5\u30fc\u30d3\u30b9\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304cDNS\u3092\u76e3\u8996\u3057\u3066\u3044\u308b\u5834\u5408\u3067\u3082\u3001\u7b2c\u4e09\u8005\u304c\u901a\u4fe1\u5185\u5bb9\u3092\u95b2\u89a7\u3059\u308b\u306e\u3092\u9632\u304e\u307e\u3059\u3002<\/p>\n\n\n\n<h2 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