{"id":84919,"date":"2026-01-06T17:36:55","date_gmt":"2026-01-06T09:36:55","guid":{"rendered":"https:\/\/lightningxvpn.com\/blog\/?p=84919"},"modified":"2026-01-06T17:37:00","modified_gmt":"2026-01-06T09:37:00","slug":"how-to-fix-slow-dns-lookup-ja","status":"publish","type":"post","link":"https:\/\/lightningxvpn.com\/blog\/ja\/how-to-fix-slow-dns-lookup-ja\/","title":{"rendered":"\u9045\u3044DNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u7206\u901f\u306b\uff01\u4eca\u3059\u3050\u8a66\u3059\u3079\u304d7\u3064\u306e\u6539\u5584\u7b56"},"content":{"rendered":"\n<p>\u30d6\u30e9\u30a6\u30b6\u3067\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u304c\u306a\u304b\u306a\u304b\u8aad\u307f\u8fbc\u307e\u308c\u305a\u3001\u300c\u30db\u30b9\u30c8\u3092\u89e3\u6c7a\u4e2d\u300d\u3068\u3044\u3046\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u304b\uff1f\u304a\u305d\u3089\u304fDNS\u306e\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306b\u76f4\u9762\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u9045\u5ef6\u306f\u30e6\u30fc\u30b6\u30fc\u3092\u82db\u7acb\u305f\u305b\u3001\u751f\u7523\u6027\u3092\u4f4e\u4e0b\u3055\u305b\u307e\u3059\u3002\u5e78\u3044\u306a\u3053\u3068\u306b\u3001\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u306e\u306bIT\u306e\u5c02\u9580\u5bb6\u3067\u3042\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u9045\u3044DNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u30a8\u30e9\u30fc\u3092\u4fee\u6b63\u3057\u3066\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u901f\u5ea6\u3092\u5373\u5ea7\u306b\u56de\u5fa9\u3059\u308b\u65b9\u6cd5\u3092\u5177\u4f53\u7684\u306b\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u3068\u306f\uff1f\u306a\u305c\u9045\u5ef6\u3059\u308b\u306e\u304b\uff1f<\/h2>\n\n\n\n<p>DNS\uff08\u30c9\u30e1\u30a4\u30f3\u30cd\u30fc\u30e0\u30b7\u30b9\u30c6\u30e0\uff09\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u96fb\u8a71\u5e33\u306e\u3088\u3046\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u540d\u3092\u5165\u529b\u3059\u308b\u3068\u3001\u304a\u4f7f\u3044\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306f\u5bfe\u5fdc\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u3092DNS\u30b5\u30fc\u30d0\u30fc\u306b\u554f\u3044\u5408\u308f\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/fix-dns-server-not-responding-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">DNS\u30b5\u30fc\u30d0\u30fc\u304c\u5fdc\u7b54\u3057\u306a\u3044<\/a>\u3001\u904e\u8ca0\u8377\u72b6\u614b\u306b\u3042\u308b\u3001\u8ddd\u96e2\u304c\u9060\u3044\u3001\u8a2d\u5b9a\u30df\u30b9\u304c\u3042\u308b\u5834\u5408\u3001\u9045\u5ef6\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u9045\u3044DNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u306e\u539f\u56e0\u3092\u7279\u5b9a\u3059\u308b\u306b\u306f\u3001\u6839\u672c\u539f\u56e0\u306e\u628a\u63e1\u304c\u7b2c\u4e00\u6b69\u3067\u3059\u3002\u4e3b\u306a\u539f\u56e0\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n<ul>\n<li><strong>ISP\u30b5\u30fc\u30d0\u30fc\u306e\u904e\u8ca0\u8377\uff1a<\/strong>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30b5\u30fc\u30d0\u30fc\u306f\u6df7\u96d1\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u3044\u3002<\/li>\n\n\n\n<li><strong>\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u7834\u640d\uff1a<\/strong>\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306b\u4fdd\u5b58\u3055\u308c\u305f\u53e4\u3044\u30c7\u30fc\u30bf\u304c\u65b0\u3057\u3044\u30c7\u30fc\u30bf\u3068\u7af6\u5408\u3059\u308b\u3002<\/li>\n\n\n\n<li><strong>\u30de\u30eb\u30a6\u30a7\u30a2\uff1a<\/strong>\u60aa\u610f\u306e\u3042\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304c\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u508d\u53d7\u3059\u308b\u3002<\/li>\n\n\n\n<li><strong>\u30eb\u30fc\u30bf\u30fc\u306e\u554f\u984c\uff1a<\/strong>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u4e00\u6642\u7684\u306a\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u6700\u3082\u52b9\u679c\u7684\u306a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3001\u4ee5\u4e0b\u3067\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u65b9\u6cd51\uff1aDNS\u30b5\u30fc\u30d0\u30fc\u3092\u5909\u66f4\u3057\u3066\u9045\u3044DNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5<\/h2>\n\n\n\n<p>\u63a5\u7d9a\u3092\u9ad8\u901f\u5316\u3059\u308b\u6700\u3082\u52b9\u679c\u7684\u306a\u65b9\u6cd5\u306f\u3001ISP\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30b5\u30fc\u30d0\u30fc\u3092\u5ec3\u6b62\u3059\u308b\u3053\u3068\u3067\u3059\u3002Google\u3084Cloudflare\u306a\u3069\u306e\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u591a\u304f\u306e\u5834\u5408\u3088\u308a\u9ad8\u901f\u3067\u5b89\u5168\u3067\u3059\u3002\u5177\u4f53\u7684\u306a\u624b\u9806\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n<p><strong>Windows\u30e6\u30fc\u30b6\u30fc\u5411\u3051\uff1a<\/strong><\/p>\n\n\n\n<ol>\n<li>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb &gt; \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u958b\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u5171\u6709\u30bb\u30f3\u30bf\u30fc<\/strong> &gt; <strong>\u30a2\u30c0\u30d7\u30bf\u30fc\u306e\u8a2d\u5b9a\u306e\u5909\u66f4<\/strong>\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u63a5\u7d9a\uff08Wi-Fi\u307e\u305f\u306f\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\uff09\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001<strong>\u30d7\u30ed\u30d1\u30c6\u30a3<\/strong>\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb \u30d0\u30fc\u30b8\u30e7\u30f3 4 (TCP\/IPv4)<\/strong>\u3092\u9078\u629e\u3057\u3001<strong>\u30d7\u30ed\u30d1\u30c6\u30a3<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3002<\/li>\n\n\n\n<li>\u300c\u6b21\u306eDNS\u30b5\u30fc\u30d0\u30fc\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u3046\u300d\u3092\u9078\u629e\u3057\u3001\u4ee5\u4e0b\u3092\u5165\u529b\uff1a<strong>Google DNS\uff1a<\/strong>8.8.8.8\uff08\u512a\u5148\uff09\/ 8.8.4.4\uff08\u4ee3\u66ff\uff09\u307e\u305f\u306f<strong>Cloudflare DNS\uff1a<\/strong>1.1.1.1\uff08\u512a\u5148\uff09\/ 1.0.0.1\uff08\u4ee3\u66ff\uff09<\/li>\n\n\n\n<li><strong>OK<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u5909\u66f4\u3092\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p><strong>Mac\u30e6\u30fc\u30b6\u30fc\u306e\u5834\u5408\uff1a<\/strong><\/p>\n\n\n\n<ol>\n<li><strong>\u30b7\u30b9\u30c6\u30e0\u74b0\u5883\u8a2d\u5b9a<\/strong> &gt; <strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/strong>\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u304a\u4f7f\u3044\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/strong>\u3092\u9078\u629e\u3057\u3001<strong>\u8a73\u7d30<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>DNS\u30bf\u30d6\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>+<\/strong>\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u4e0a\u8a18\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6700\u9069\u5316\u3055\u308c\u305f\u30b5\u30fc\u30d0\u30fc\u306b\u5207\u308a\u66ff\u3048\u308b\u3053\u3068\u3067\u3001\u300c\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u300d\u6642\u9593\u3092\u5927\u5e45\u306b\u77ed\u7e2e\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u95a2\u9023\u8a18\u4e8b\uff1a<a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/this-network-is-blocking-encrypted-dns-traffic-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">\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<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u65b9\u6cd52: DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30af\u30ea\u30a2<\/h2>\n\n\n\n<p>OS\u306f\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u3092\u9ad8\u901f\u5316\u3059\u308b\u305f\u3081\u3001DNS\u30ec\u30b3\u30fc\u30c9\u3092\u30ed\u30fc\u30ab\u30eb\u306b\u4fdd\u5b58\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u3053\u308c\u3089\u306e\u30ec\u30b3\u30fc\u30c9\u304c\u53e4\u304f\u306a\u3063\u305f\u308a\u7834\u640d\u3057\u305f\u308a\u3059\u308b\u3068\u3001\u9045\u5ef6\u306e\u539f\u56e0\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u3053\u3068\u306f\u3001\u9045\u3044DNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u7d20\u65e9\u304f\u89e3\u6c7a\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002\u4e0d\u8981\u306a\u554f\u984c\u3092\u9632\u3050\u305f\u3081\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b8c\u5168\u304b\u3064\u6b63\u78ba\u306b\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p><strong>Windows\u3067DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u624b\u9806:<\/strong><\/p>\n\n\n\n<ol>\n<li><strong>Windows\u30ad\u30fc + R<\/strong>\u3092\u62bc\u3057\u3066\u300ccmd\u300d\u3068\u5165\u529b\u3057\u3001Enter\u30ad\u30fc\u3092\u62bc\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3067\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\uff1a\u300cipconfig \/flushdns\u300d<\/li>\n\n\n\n<li>Enter\u30ad\u30fc\u3092\u62bc\u3057\u307e\u3059\u3002\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u6b63\u5e38\u306b\u30af\u30ea\u30a2\u3055\u308c\u305f\u3053\u3068\u3092\u793a\u3059\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p><strong>Mac\u306e\u624b\u9806\uff1a<\/strong><\/p>\n\n\n\n<ol>\n<li><strong>\u30bf\u30fc\u30df\u30ca\u30eb<\/strong>\u3092\u958b\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\uff08macOS Monterey\u4ee5\u964d\u306e\u5834\u5408\uff09\uff1a \u300csudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder\u300d\u3068\u5165\u529b\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u7ba1\u7406\u8005\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u5165\u529b\u3092\u6c42\u3081\u3089\u308c\u305f\u5834\u5408\u306f\u5165\u529b\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304c\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u6700\u65b0\u306e\u6b63\u3057\u3044\u60c5\u5831\u3092\u5f37\u5236\u7684\u306b\u8981\u6c42\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u65b9\u6cd53: \u30c9\u30e9\u30a4\u30d0\u30fc\u66f4\u65b0\u306b\u3088\u308b\u9045\u3044DNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u306e\u4fee\u6b63\u65b9\u6cd5<\/h2>\n\n\n\n<p>\u53e4\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c9\u30e9\u30a4\u30d0\u30fc\u306f\u3001PC\u3068DNS\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u901a\u4fe1\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3059\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30c9\u30e9\u30a4\u30d0\u30fc\u3092\u6700\u65b0\u306e\u72b6\u614b\u306b\u4fdd\u3064\u3053\u3068\u3067\u3001\u30b9\u30e0\u30fc\u30ba\u306a\u30c7\u30fc\u30bf\u4f1d\u9001\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ol>\n<li>\u30b9\u30bf\u30fc\u30c8\u30dc\u30bf\u30f3\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001<strong>\u30c7\u30d0\u30a4\u30b9\u30de\u30cd\u30fc\u30b8\u30e3\u30fc<\/strong>\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30c0\u30d7\u30bf\u30fc<\/strong>\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u5c55\u958b\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30c0\u30d7\u30bf\u30fc\uff08\u4f8b\uff1aIntel\u307e\u305f\u306fRealtek\uff09\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001<strong>\u30c9\u30e9\u30a4\u30d0\u30fc\u306e\u66f4\u65b0<\/strong>\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u300c\u30c9\u30e9\u30a4\u30d0\u30fc\u3092\u81ea\u52d5\u7684\u306b\u691c\u7d22\u3059\u308b\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>Windows\u304c\u65b0\u3057\u3044\u30c9\u30e9\u30a4\u30d0\u30fc\u3092\u898b\u3064\u3051\u3089\u308c\u306a\u3044\u5834\u5408\u306f\u3001\u30e1\u30fc\u30ab\u30fc\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30c9\u30e9\u30a4\u30d0\u30fc\u306e\u66f4\u65b0\u306b\u3088\u308a\u3001\u9ad8\u9045\u5ef6\u306e\u539f\u56e0\u3068\u306a\u308b\u4e92\u63db\u6027\u306e\u554f\u984c\u304c\u89e3\u6d88\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u65b9\u6cd54\uff1aVPN\u3092\u4f7f\u7528\u3057\u3066ISP\u306e\u5e2f\u57df\u5236\u9650\u3068DNS\u554f\u984c\u3092\u56de\u907f\u3059\u308b<\/h2>\n\n\n\n<p>\u554f\u984c\u306e\u539f\u56e0\u304c\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u8a2d\u5b9a\u3067\u306f\u306a\u304f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\uff08ISP\uff09\u306b\u3042\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002ISP\u306f\u5e2f\u57df\u5e45\u3092\u5236\u9650\u3057\u305f\u308a\u975e\u52b9\u7387\u7684\u306a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u3053\u308c\u304c\u6df1\u523b\u306a\u9045\u5ef6\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8907\u96d1\u306a\u624b\u52d5\u8a2d\u5b9a\u306a\u3057\u3067\u9045\u3044DNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\u3092\u304a\u63a2\u3057\u306a\u3089\u3001\u5c02\u7528\u306eVPN\u3092\u4f7f\u7528\u3059\u308b\u306e\u304c\u6700\u3082\u8ce2\u660e\u306a\u9078\u629e\u3067\u3059\u3002<\/p>\n\n\n\n<p>VPN\u306f\u901a\u4fe1\u3092\u6697\u53f7\u5316\u3057\u3001DNS\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u72ec\u81ea\u306e\u9ad8\u901f\u5c02\u7528DNS\u30b5\u30fc\u30d0\u30fc\u7d4c\u7531\u3067\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308aISP\u306e\u6df7\u96d1\u3057\u305f\u30a4\u30f3\u30d5\u30e9\u3092\u5b8c\u5168\u306b\u8fc2\u56de\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u901f\u5ea6\u3068\u5b89\u5b9a\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u6c42\u3081\u308b\u30e6\u30fc\u30b6\u30fc\u306b\u306f<a href=\"https:\/\/lightningxvpn.com\/ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\"><strong>LightningX VPN<\/strong><\/a>\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6a19\u6e96\u30d7\u30ed\u30ad\u30b7\u3068\u7570\u306a\u308a\u3001LightningX VPN\u306f\u9045\u5ef6\u3092\u6700\u5c0f\u5316\u3059\u308b\u8a2d\u8a08\u306e\u6700\u9ad8\u6c34\u6e96\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u300cAES-256\u300d\u3092\u63a1\u7528\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:388px;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>\u63a5\u7d9a\u6642\u306b\u306f\u3001\u5b89\u5168\u3067\u6700\u9069\u5316\u3055\u308c\u305f\u30c8\u30f3\u30cd\u30eb\u7d4c\u7531\u3067DNS\u89e3\u6c7a\u3092\u81ea\u52d5\u7684\u306b\u51e6\u7406\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u5805\u7262\u306a\u9045\u5ef6DNS\u89e3\u6c7a\u7b56\u3068\u306a\u308b\u3060\u3051\u3067\u306a\u304f\u3001ISP\u306b\u3088\u308b\u95b2\u89a7\u5c65\u6b74\u306e\u8ffd\u8de1\u3082\u9632\u6b62\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u8a73\u7d30\u306a\u52b9\u679c:<\/strong><\/p>\n\n\n\n<ul>\n<li><strong>\u30db\u30c3\u30d7\u6570\u524a\u6e1b:<\/strong> \u30c7\u30fc\u30bf\u3092\u3088\u308a\u76f4\u63a5\u7684\u306a\u7d4c\u8def\u3067\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u4fdd\u8b77:<\/strong> \u300cDNS\u30ea\u30fc\u30af\u300d\u3092\u9632\u6b62\u3057\u3001\u30af\u30a8\u30ea\u306e\u975e\u516c\u958b\u6027\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30b7\u30f3\u30d7\u30eb\u3055\uff1a<\/strong>\u30ec\u30b8\u30b9\u30c8\u30ea\u30d5\u30a1\u30a4\u30eb\u3092\u7de8\u96c6\u3059\u308b\u4ee3\u308f\u308a\u306b\u3001\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u3067\u901f\u5ea6\u554f\u984c\u3092\u89e3\u6c7a\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u65b9\u6cd55\uff1a\u30db\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u7de8\u96c6\u306b\u3088\u308b\u9045\u3044DNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u306e\u4fee\u6b63<\/h2>\n\n\n\n<p>\u300c\u30db\u30b9\u30c8\u300d\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u30db\u30b9\u30c8\u540d\u3092IP\u30a2\u30c9\u30ec\u30b9\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3059\u308b\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u4e0a\u306e\u30c6\u30ad\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u3067\u3059\u3002\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u8aa4\u3063\u305f\u30a8\u30f3\u30c8\u30ea\u3084\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u3088\u3063\u3066\u8ffd\u52a0\u3055\u308c\u305f\u60aa\u610f\u306e\u3042\u308b\u884c\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u3068\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u63a5\u7d9a\u304c\u56f0\u96e3\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u30db\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u306e\u78ba\u8a8d\u65b9\u6cd5\uff1a<\/strong><\/p>\n\n\n\n<ol>\n<li>1. <strong>C:\\Windows\\System32\\drivers\\etc<\/strong> \u306b\u79fb\u52d5\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30e1\u30e2\u5e33\uff08\u7ba1\u7406\u8005\u3068\u3057\u3066\u5b9f\u884c\uff09\u3067\u30db\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30d5\u30a1\u30a4\u30eb\u672b\u5c3e\u306b\u30ea\u30b9\u30c8\u3055\u308c\u3066\u3044\u308b\u4e0d\u5be9\u306a\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u30a2\u30c9\u30ec\u30b9\u3092\u63a2\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u8ffd\u52a0\u3057\u3066\u3044\u306a\u3044\u30a8\u30f3\u30c8\u30ea\u3067\u30d5\u30a1\u30a4\u30eb\u304c\u4e71\u96d1\u306b\u306a\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306b\u30ea\u30bb\u30c3\u30c8\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304c\u8aa4\u3063\u305f\u5834\u6240\u3067\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u691c\u7d22\u3059\u308b\u306e\u3092\u9632\u304e\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u65b9\u6cd56: \u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30c0\u30d7\u30bf\u30fc\u306e\u7121\u52b9\u5316<\/h2>\n\n\n\n<p>\u73fe\u4ee3\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3067\u306f\u8907\u6570\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\uff08\u4f8b: Wi-Fi\u3001\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u3001Bluetooth\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u4eee\u60f3\u63a5\u7d9a\uff09\u304c\u540c\u6642\u306b\u6709\u52b9\u5316\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u3053\u308c\u3089\u304c\u7af6\u5408\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002Windows\u306fDNS\u30af\u30a8\u30ea\u3092\u89e3\u6c7a\u3059\u308b\u969b\u3001\u901f\u5ea6\u304c\u9045\u3044\u3001\u307e\u305f\u306f\u5207\u65ad\u3055\u308c\u305f\u30a2\u30c0\u30d7\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3088\u3046\u3068\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u63a5\u7d9a\u3092\u6700\u9069\u5316\u3059\u308b\u306b\u306f\uff1a<\/strong><\/p>\n\n\n\n<ol>\n<li><strong>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb<\/strong> &gt; <strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u5171\u6709\u30bb\u30f3\u30bf\u30fc<\/strong>\u3092\u958b\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30a2\u30c0\u30d7\u30bf\u30fc\u306e\u8a2d\u5b9a\u306e\u5909\u66f4<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u73fe\u5728\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u63a5\u7d9a\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u7121\u52b9\u306b\u3059\u308b<\/strong>\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u4e3b\u8981\u306a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u306e\u307f\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u3067\u3001DNS\u30af\u30a8\u30ea\u306b\u6b63\u3057\u3044\u7d4c\u8def\u3092\u4f7f\u7528\u3059\u308b\u3088\u3046\u30b7\u30b9\u30c6\u30e0\u306b\u5f37\u5236\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u95a2\u9023\u8a18\u4e8b\uff1a<a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/fix-dns-error-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">DNS\u30a8\u30e9\u30fc\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\uff08\u8fc5\u901f\u304b\u3064\u7c21\u5358\u306b\uff09<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u65b9\u6cd57: 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class=\"wp-block-heading\">\u7d50\u8ad6<\/h2>\n\n\n\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u306e\u9045\u5ef6\u306f\u4ed5\u4e8b\u3084\u5a2f\u697d\u3092\u59a8\u3052\u308b\u304c\u3001\u539f\u56e0\u306f\u8a2d\u5b9a\u30df\u30b9\u3067\u3042\u308b\u3053\u3068\u304c\u591a\u3044\u3002DNS\u89e3\u6c7a\u304c\u9045\u3044\u5834\u5408\u306e\u5bfe\u51e6\u6cd5\u3068\u3057\u3066\u3001\u3053\u306e7\u3064\u306e\u5b9f\u8a3c\u6e08\u307f\u65b9\u6cd5\u3092\u9069\u7528\u3057\u3088\u3046\u3002\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30af\u30ea\u30a2\u3001\u30b5\u30fc\u30d0\u30fc\u5909\u66f4\u3001\u9045\u5ef6\u8efd\u6e1b\u30c4\u30fc\u30eb\u306e\u4f7f\u7528\u306a\u3069\u3001\u3044\u305a\u308c\u306e\u65b9\u6cd5\u3092\u9078\u3093\u3067\u3082\u52b9\u679c\u7684\u306aDNS\u89e3\u6c7a\u304c\u53ef\u80fd\u3068\u306a\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30d6\u30e9\u30a6\u30b6\u3067\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u304c\u306a\u304b\u306a\u304b\u8aad\u307f\u8fbc\u307e\u308c\u305a\u3001\u300c\u30db\u30b9\u30c8\u3092\u89e3\u6c7a\u4e2d\u300d\u3068\u3044\u3046\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u304b [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":84896,"comment_status":"closed","ping_status":"open","sticky":false,"template":"wp-custom-template-ja","format":"standard","meta":{"footnotes":""},"categories":[526],"tags":[],"aioseo_notices":[],"lang":"ja","translations":{"ja":84919,"en":84892,"cn":84909,"ko":84933},"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/posts\/84919"}],"collection":[{"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/comments?post=84919"}],"version-history":[{"count":4,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/posts\/84919\/revisions"}],"predecessor-version":[{"id":84939,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/posts\/84919\/revisions\/84939"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/media\/84896"}],"wp:attachment":[{"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/media?parent=84919"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/categories?post=84919"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lightningxvpn.com\/blog\/wp-json\/wp\/v2\/tags?post=84919"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}