{"id":85058,"date":"2026-01-07T16:01:05","date_gmt":"2026-01-07T08:01:05","guid":{"rendered":"https:\/\/lightningxvpn.com\/blog\/?p=85058"},"modified":"2026-01-09T15:29:52","modified_gmt":"2026-01-09T07:29:52","slug":"server-dns-address-could-not-be-found-ja","status":"publish","type":"post","link":"https:\/\/lightningxvpn.com\/blog\/ja\/server-dns-address-could-not-be-found-ja\/","title":{"rendered":"\u30b5\u30fc\u30d0\u30fc\u306eDNS\u30a2\u30c9\u30ec\u30b9\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093: 10\u306e\u89e3\u6c7a\u7b56"},"content":{"rendered":"\n<p>\u300c\u30b5\u30fc\u30d0\u30fc\u306eDNS\u30a2\u30c9\u30ec\u30b9\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u300d\u30a8\u30e9\u30fc\u306f\u901a\u5e38\u3001\u304a\u4f7f\u3044\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u30c9\u30e1\u30a4\u30f3\u540d\u3092IP\u30a2\u30c9\u30ec\u30b9\u306b\u5909\u63db\u3067\u304d\u305a\u3001\u63a5\u7d9a\u304c\u78ba\u7acb\u3067\u304d\u306a\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001Windows\u3001Mac\u3001\u305d\u306e\u4ed6\u306e\u30c7\u30d0\u30a4\u30b9\u3067\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b10\u306e\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\u5404\u65b9\u6cd5\u306b\u306f\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u306e\u8aac\u660e\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u300cDNS\u30a2\u30c9\u30ec\u30b9\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u300d\u3068\u306f\uff1f<\/h2>\n\n\n\n<p>\u554f\u984c\u3092\u4fee\u6b63\u3059\u308b\u524d\u306b\u3001\u80cc\u666f\u3067\u4f55\u304c\u8d77\u304d\u3066\u3044\u308b\u306e\u304b\u3092\u7406\u89e3\u3057\u3066\u304a\u304f\u3068\u5f79\u7acb\u3061\u307e\u3059\u3002<a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/what-is-dns-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">DNS<\/a>\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\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u5165\u529b\u3059\u308b\u3068\u3001\u30c7\u30d0\u30a4\u30b9\u306f\u6b63\u3057\u3044IP\u30a2\u30c9\u30ec\u30b9\u3092\u898b\u3064\u3051\u308b\u3088\u3046DNS\u30b5\u30fc\u30d0\u30fc\u306b\u554f\u3044\u5408\u308f\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u5931\u6557\u3059\u308b\u3068\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u304c\u6709\u52b9\u306b\u898b\u3048\u3066\u3044\u3066\u3082\u3001\u30d6\u30e9\u30a6\u30b6\u306b\u300cDNS\u30a2\u30c9\u30ec\u30b9\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u300d\u3084\u300c\u30b5\u30fc\u30d0\u30fc\u306eDNS\u30a2\u30c9\u30ec\u30b9\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u300d\u3068\u3044\u3063\u305f\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u3053\u306e\u30a8\u30e9\u30fc\u306e\u4e00\u822c\u7684\u306a\u539f\u56e0\uff1a<\/strong><\/p>\n\n\n\n<ul>\n<li>\u30c7\u30d0\u30a4\u30b9\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u6b63\u3057\u304f\u63a5\u7d9a\u3055\u308c\u3066\u3044\u306a\u3044\u3002<\/li>\n\n\n\n<li><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>\uff1aISP\u306eDNS\u30b5\u30fc\u30d0\u30fc\u304c\u30c0\u30a6\u30f3\u3057\u3066\u3044\u308b\u304b\u3001\u904e\u8ca0\u8377\u72b6\u614b\u306b\u3042\u308b\u3002<\/li>\n\n\n\n<li>\u30c7\u30d0\u30a4\u30b9\u306eDNS\u8a2d\u5b9a\u304c\u8aa4\u3063\u3066\u3044\u308b\u3001\u307e\u305f\u306f\u6b63\u3057\u304f\u69cb\u6210\u3055\u308c\u3066\u3044\u306a\u3044\u3002<\/li>\n\n\n\n<li>DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u7834\u640d\u3057\u3066\u3044\u308b\u3002<\/li>\n\n\n\n<li>\u30eb\u30fc\u30bf\u30fc\u307e\u305f\u306f\u30e2\u30c7\u30e0\u306e\u554f\u984c\u3002<\/li>\n\n\n\n<li>VPN\u3084\u30d7\u30ed\u30ad\u30b7\u304cDNS\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u30d6\u30ed\u30c3\u30af\u307e\u305f\u306f\u8aa4\u3063\u305f\u7d4c\u8def\u3067\u9001\u4fe1\u3057\u3066\u3044\u308b\u3002<\/li>\n\n\n\n<li>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3084\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u304cDNS\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3044\u308b\u3002<\/li>\n\n\n\n<li>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c9\u30e9\u30a4\u30d0\u304c\u53e4\u304f\u306a\u3063\u3066\u3044\u308b\u3002<\/li>\n\n\n\n<li>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u81ea\u4f53\u306eDNS\u30ec\u30b3\u30fc\u30c9\u304c\u6b20\u843d\u3057\u3066\u3044\u308b\u3001\u307e\u305f\u306f\u8aa4\u3063\u3066\u69cb\u6210\u3055\u308c\u3066\u3044\u308b\u3002<\/li>\n\n\n\n<li>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\uff08ISP\uff09\u5074\u306eDNS\u554f\u984c\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u95a2\u9023\u8a18\u4e8b\uff1a<a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/server-dns-address-could-not-be-found-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">\u30b5\u30fc\u30d0\u30fc\u306eDNS\u30a2\u30c9\u30ec\u30b9\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093: 10\u306e\u89e3\u6c7a\u7b56<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u89e3\u6c7a\u7b561: \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u306e\u78ba\u8a8d<\/h2>\n\n\n\n<p>\u30a8\u30e9\u30fc\u304cDNS\u81ea\u4f53\u3068\u306f\u7121\u95a2\u4fc2\u306a\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u4e0d\u5b89\u5b9a\u307e\u305f\u306f\u5207\u65ad\u3055\u308c\u3066\u3044\u308b\u3068\u3001\u300cDNS\u30a2\u30c9\u30ec\u30b9\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u300d\u3068\u3044\u3046\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u624b\u9806:<\/strong><\/p>\n\n\n\n<ol>\n<li>Wi-Fi\u307e\u305f\u306f\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u304c\u78ba\u5b9f\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li>\u30e2\u30c7\u30e0\u3068\u30eb\u30fc\u30bf\u30fc\u3092\u518d\u8d77\u52d5\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li>\u5225\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u958b\u3044\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li>\u5225\u306e\u7aef\u672b\u3067\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u3092\u30c6\u30b9\u30c8\u3059\u308b\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u8907\u6570\u306e\u7aef\u672b\u3067\u63a5\u7d9a\u3067\u304d\u306a\u3044\u5834\u5408\u3001\u554f\u984c\u306fDNS\u56fa\u6709\u3067\u306f\u306a\u304f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u95a2\u9023\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u89e3\u6c7a\u7b562: \u30c7\u30d0\u30a4\u30b9\u3092\u518d\u8d77\u52d5\u3059\u308b<\/h2>\n\n\n\n<p>\u4e00\u6642\u7684\u306a\u30b7\u30b9\u30c6\u30e0\u4e0d\u5177\u5408\u304c\u300c\u30b5\u30fc\u30d0\u30fc\u306eDNS\u30a2\u30c9\u30ec\u30b9\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u300d\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u518d\u8d77\u52d5\u306b\u3088\u308a\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c7\u30fc\u30bf\u304c\u30af\u30ea\u30a2\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u624b\u9806:<\/strong><\/p>\n\n\n\n<ol>\n<li>\u3059\u3079\u3066\u306e\u30d6\u30e9\u30a6\u30b6\u3068\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u9589\u3058\u308b\u3002<\/li>\n\n\n\n<li>\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u307e\u305f\u306f\u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u3092\u518d\u8d77\u52d5\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u30d6\u30e9\u30a6\u30b6\u3092\u518d\u8d77\u52d5\u3057\u3001\u518d\u5ea6\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u306e\u7c21\u5358\u306a\u5bfe\u51e6\u6cd5\u3067\u3001\u8efd\u5fae\u306aDNS\u7af6\u5408\u304c\u5373\u5ea7\u306b\u89e3\u6c7a\u3055\u308c\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u89e3\u6c7a\u7b563: <a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/how-to-flush-dns-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30af\u30ea\u30a2<\/a><\/h2>\n\n\n\n<p>\u30b7\u30b9\u30c6\u30e0\u306fDNS\u30ec\u30b3\u30fc\u30c9\u3092\u30ed\u30fc\u30ab\u30eb\u306b\u4fdd\u5b58\u3057\u307e\u3059\u3002DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u53e4\u304f\u306a\u3063\u3066\u3044\u305f\u308a\u7834\u640d\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u300cDNS\u30a2\u30c9\u30ec\u30b9\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u300d\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u624b\u9806\uff08Windows\uff09:<\/strong><\/p>\n\n\n\n<ol>\n<li><strong>Windows\u30ad\u30fc + R<\/strong>\u3092\u62bc\u3057\u3066\u3001<strong>cmd<\/strong>\u3068\u5165\u529b\u3057\u3001<strong>Enter<\/strong>\u30ad\u30fc\u3092\u62bc\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5165\u529b: <strong>ipconfig \/flushdns<\/strong>\u3002<strong>Enter<\/strong>\u30ad\u30fc\u3092\u62bc\u3059\u3002<\/li>\n\n\n\n<li>\u30d6\u30e9\u30a6\u30b6\u3092\u518d\u8d77\u52d5\u3059\u308b\u3002<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"404\" height=\"113\" src=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2024\/09\/how-to-flush-dns-2.png\" alt=\"DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30af\u30ea\u30a2\" class=\"wp-image-14648\" srcset=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2024\/09\/how-to-flush-dns-2.png 404w, https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2024\/09\/how-to-flush-dns-2-300x84.png 300w\" sizes=\"(max-width: 404px) 100vw, 404px\" \/><\/figure>\n\n\n\n<p><strong>\u624b\u9806\uff08macOS\uff09:<\/strong><\/p>\n\n\n\n<ol>\n<li>Spotlight\u304b\u3089\u30bf\u30fc\u30df\u30ca\u30eb\u3092\u958b\u304f\u3002<\/li>\n\n\n\n<li>\u5165\u529b: <strong>sudo dscacheutil -flushcache<\/strong>; <strong>sudo killall -HUP mDNSResponder<\/strong>\u3002Enter\u30ad\u30fc\u3092\u62bc\u3059\u3002<\/li>\n\n\n\n<li>\u30b5\u30a4\u30c8\u3092\u518d\u8868\u793a\u3059\u308b\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u89e3\u6c7a\u7b564: <a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/how-to-change-dns-server-on-windows-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">DNS\u30b5\u30fc\u30d0\u30fc\u30a2\u30c9\u30ec\u30b9\u306e\u5909\u66f4<\/a><\/h2>\n\n\n\n<p>ISP\u306e<a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/dns-server-unavailable-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">DNS\u30b5\u30fc\u30d0\u30fc\u304c\u5229\u7528\u4e0d\u53ef<\/a>\u307e\u305f\u306f\u4f4e\u901f\u306a\u5834\u5408\u3001\u300c\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eDNS\u30a2\u30c9\u30ec\u30b9\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u300d\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\u3002DNS\u30b5\u30fc\u30d0\u30fc\u3092\u5909\u66f4\u3059\u308b\u3068\u901f\u5ea6\u3068\u4fe1\u983c\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u624b\u9806\uff1a<\/strong><\/p>\n\n\n\n<ol>\n<li>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u5b9a\u3092\u958b\u304f\u3002Windows\u30ad\u30fc + I &gt; [\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8] &gt; [\u30a2\u30c0\u30d7\u30bf\u30fc\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u5909\u66f4] &gt; \u4f7f\u7528\u4e2d\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057[\u30d7\u30ed\u30d1\u30c6\u30a3]\u3092\u9078\u629e\u3002<\/li>\n\n\n\n<li><strong>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb \u30d0\u30fc\u30b8\u30e7\u30f34 (TCP\/IPv4)<\/strong>\u3092\u9078\u629e\u3002<\/li>\n\n\n\n<li>DNS\u30b5\u30fc\u30d0\u30fc\u3092\u624b\u52d5\u3067\u8a2d\u5b9a\uff1a\n<ul>\n<li>Google DNS: 8.8.8.8, 8.8.4.4<\/li>\n\n\n\n<li>\u307e\u305f\u306f Cloudflare DNS: 1.1.1.1, 1.0.0.1<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u5909\u66f4\u3092\u4fdd\u5b58\u3057\u3001\u30b5\u30a4\u30c8\u306b\u518d\u63a5\u7d9a\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"386\" height=\"380\" src=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2024\/09\/how-to-unblock-websites-3.png\" alt=\"DNS\u30b5\u30fc\u30d0\u30fc\u30a2\u30c9\u30ec\u30b9\u306e\u5909\u66f4\" class=\"wp-image-11534\" srcset=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2024\/09\/how-to-unblock-websites-3.png 386w, https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2024\/09\/how-to-unblock-websites-3-300x295.png 300w\" sizes=\"(max-width: 386px) 100vw, 386px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u89e3\u6c7a\u7b565: VPN \u3092\u7121\u52b9\u5316\u307e\u305f\u306f\u5909\u66f4\u3059\u308b<\/h2>\n\n\n\n<p>VPN \u3084\u30d7\u30ed\u30ad\u30b7\u306f DNS \u89e3\u6c7a\u3092\u59a8\u3052\u3001\u300cDNS \u30a2\u30c9\u30ec\u30b9\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u300d\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u624b\u9806\uff1a<\/strong><\/p>\n\n\n\n<ol>\n<li>VPN\u304b\u3089\u5207\u65ad\u3059\u308b\u3002<\/li>\n\n\n\n<li>VPN\u30b5\u30fc\u30d0\u30fc\u3092\u5909\u66f4\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u5225\u306eVPN\u306b\u5207\u308a\u66ff\u3048\u308b\u3002<a href=\"https:\/\/lightningxvpn.com\/ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\"><strong>LightningX VPN<\/strong><\/a>\u306f\u3001PC\u3001Mac\u3001Android\u3001iOS\u3001TV\u3001Linux\u3001Chrome\u3001Firefox\u3001Edge\u5411\u3051\u306eVPN\u3067\u3059\u300270\u30ab\u56fd\u4ee5\u4e0a\u3067\u591a\u6570\u306e\u30b5\u30fc\u30d0\u30fc\u3092\u63d0\u4f9b\uff08\u7121\u6599\u30b5\u30fc\u30d0\u30fc\u3082\u8907\u6570\u3042\u308a\uff09\u3002\u9ad8\u901f\u30fb\u5b89\u5b9a\u30fb\u5b89\u5168\u30fb\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u3092\u5b9f\u73fe\u3057\u3001\u4e16\u754c\u4e2d\u306e\u30b5\u30a4\u30c8\/\u30a2\u30d7\u30ea\/\u30b5\u30fc\u30d3\u30b9\u306e\u5229\u7528\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u518d\u8aad\u307f\u8fbc\u307f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30b5\u30a4\u30c8\u304c\u6b63\u5e38\u306b\u8aad\u307f\u8fbc\u307e\u308c\u308b\u5834\u5408\u3001VPN\u306eDNS\u8a2d\u5b9a\u304c\u554f\u984c\u306e\u539f\u56e0\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\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:455px;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<h2 class=\"wp-block-heading\">\u89e3\u6c7a\u7b566: <a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/reset-network-settings-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u5b9a\u306e\u30ea\u30bb\u30c3\u30c8<\/a><\/h2>\n\n\n\n<p>\u8aa4\u3063\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u5b9a\u306f\u300c\u30b5\u30fc\u30d0\u30fc\u306eDNS\u30a2\u30c9\u30ec\u30b9\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u300d\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u624b\u9806\uff08Windows\uff09:<\/strong><\/p>\n\n\n\n<ol>\n<li><strong>Windows\u30ad\u30fc + R<\/strong>\u3092\u62bc\u3057\u3066<strong>cmd<\/strong>\u3068\u5165\u529b\u3057\u3001<strong>Ctrl + Shift + Enter<\/strong>\u3092\u62bc\u3057\u3066\u7ba1\u7406\u8005\u3068\u3057\u3066\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u958b\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\uff1a<strong>netsh int ip reset<\/strong>; <strong>netsh winsock reset<\/strong>\u3002\u3053\u308c\u306b\u3088\u308a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u5b9a\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306b\u5fa9\u5143\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>PC\u3092\u518d\u8d77\u52d5\u3057\u3001\u518d\u5ea6\u30b5\u30a4\u30c8\u3092\u8aad\u307f\u8fbc\u3093\u3067\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u89e3\u6c7a\u7b567: <a href=\"https:\/\/lightningxvpn.com\/blog\/ja\/how-to-update-network-drivers-ja\/\" target=\"_blank\" rel=\"noopener\" title=\"\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30c0\u30d7\u30bf\u30c9\u30e9\u30a4\u30d0\u306e\u66f4\u65b0<\/a><\/h2>\n\n\n\n<p>\u30c9\u30e9\u30a4\u30d0\u304c\u53e4\u3044\u304b\u7834\u640d\u3057\u3066\u3044\u308b\u3068\u3001DNS\u901a\u4fe1\u304c\u6b63\u5e38\u306b\u884c\u308f\u308c\u305a\u300cDNS\u30a2\u30c9\u30ec\u30b9\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u300d\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u30c9\u30e9\u30a4\u30d0\u3092\u6700\u65b0\u306b\u4fdd\u3064\u3053\u3068\u3067\u5b89\u5b9a\u3057\u305fDNS\u89e3\u6c7a\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u624b\u9806\uff1a<\/strong><\/p>\n\n\n\n<ol>\n<li><strong>Windows + X<\/strong> \u3092\u62bc\u3057\u3001<strong>\u30c7\u30d0\u30a4\u30b9\u30de\u30cd\u30fc\u30b8\u30e3\u30fc<\/strong>\u3092\u958b\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30c0\u30d7\u30bf\u30fc\u300d\u3092\u5c55\u958b\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u304a\u4f7f\u3044\u306e\u30a2\u30c0\u30d7\u30bf\u30fc\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001\u300c\u30c9\u30e9\u30a4\u30d0\u30fc\u306e\u66f4\u65b0\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u66f4\u65b0\u5f8c\u3001\u518d\u8d77\u52d5\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"787\" height=\"579\" src=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2024\/06\/ethernet-doesnt-have-a-valid-ip-configuration-1.png\" alt=\"\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30c0\u30d7\u30bf\u30c9\u30e9\u30a4\u30d0\u306e\u66f4\u65b0\" class=\"wp-image-1714\" srcset=\"https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2024\/06\/ethernet-doesnt-have-a-valid-ip-configuration-1.png 787w, https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2024\/06\/ethernet-doesnt-have-a-valid-ip-configuration-1-300x221.png 300w, https:\/\/lightningxvpn.com\/blog\/wp-content\/uploads\/2024\/06\/ethernet-doesnt-have-a-valid-ip-configuration-1-768x565.png 768w\" sizes=\"(max-width: 787px) 100vw, 787px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u89e3\u6c7a\u7b568: \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u307e\u305f\u306f\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u3092\u4e00\u6642\u7684\u306b\u7121\u52b9\u306b\u3059\u308b<\/h2>\n\n\n\n<p>\u904e\u5ea6\u306b\u53b3\u683c\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304c DNS \u8981\u6c42\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3001\u300cDNS \u30a2\u30c9\u30ec\u30b9\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u300d\u306e\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u624b\u9806:<\/strong><\/p>\n\n\n\n<ol>\n<li>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u307e\u305f\u306f\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u4e00\u6642\u7684\u306b\u7121\u52b9\u306b\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li>\u6210\u529f\u3057\u305f\u5834\u5408\u3001\u30d6\u30e9\u30a6\u30b6\u307e\u305f\u306fDNS\u30b5\u30fc\u30d3\u30b9\u3092\u30db\u30ef\u30a4\u30c8\u30ea\u30b9\u30c8\u306b\u767b\u9332\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u30c6\u30b9\u30c8\u5f8c\u306f\u5fc5\u305a\u4fdd\u8b77\u6a5f\u80fd\u3092\u518d\u6709\u52b9\u5316\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u89e3\u6c7a\u7b569: \u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eDNS\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u78ba\u8a8d\u3059\u308b<\/h2>\n\n\n\n<p>\u554f\u984c\u304c\u81ea\u8eab\u306e\u74b0\u5883\u306b\u3042\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eDNS\u30ec\u30b3\u30fc\u30c9\u304c\u30c0\u30a6\u30f3\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u300c\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eDNS\u30a2\u30c9\u30ec\u30b9\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u300d\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u624b\u9806:<\/strong><\/p>\n\n\n\n<ol>\n<li>\u5225\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u30b5\u30a4\u30c8\u3092\u958b\u3044\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li>\u30aa\u30f3\u30e9\u30a4\u30f3DNS\u30c1\u30a7\u30c3\u30ab\u30fc\u30c4\u30fc\u30eb\u3092\u5229\u7528\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u30b5\u30a4\u30c8\u306eDNS\u304c\u5229\u7528\u4e0d\u53ef\u306e\u5834\u5408\u306f\u5f85\u6a5f\u3057\u518d\u8a66\u884c\u3059\u308b\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u89e3\u6c7a\u7b5610: 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