{"id":7728,"date":"2025-01-27T11:20:10","date_gmt":"2025-01-27T11:20:10","guid":{"rendered":"https:\/\/howtogeek.blog\/ja\/?p=7728"},"modified":"2025-01-27T11:20:10","modified_gmt":"2025-01-27T11:20:10","slug":"top-10-free-dns-servers-for-speeding-up-your-internet-in-2025","status":"publish","type":"post","link":"https:\/\/howtogeek.blog\/ja\/top-10-free-dns-servers-for-speeding-up-your-internet-in-2025\/","title":{"rendered":"2025 \u5e74\u306b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u9ad8\u901f\u5316\u3059\u308b\u7121\u6599 DNS \u30b5\u30fc\u30d0\u30fc\u306e\u30c8\u30c3\u30d7 10"},"content":{"rendered":"<p><strong>DNS<\/strong>\u3068\u3044\u3046\u8a00\u8449\u3092\u4f55\u5ea6\u3082\u8033\u306b\u3057\u305f\u3053\u3068\u304c\u3042\u308b\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u305d\u306e\u610f\u5473\u3092\u672c\u5f53\u306b\u7406\u89e3\u3057\u3066\u3044\u307e\u3059\u304b? DNS (\u30c9\u30e1\u30a4\u30f3 \u30cd\u30fc\u30e0 \u30b7\u30b9\u30c6\u30e0) \u306f\u3001URL \u3092\u5bfe\u5fdc\u3059\u308b IP \u30a2\u30c9\u30ec\u30b9\u306b\u30ea\u30f3\u30af\u3059\u308b\u3053\u3068\u3067\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u306e\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u63a5\u7d9a\u3059\u308b\u305f\u3073\u306b\u3001\u30c7\u30d0\u30a4\u30b9\u306f\u81ea\u52d5\u7684\u306b\u6307\u5b9a\u3055\u308c\u305f DNS \u30b5\u30fc\u30d0\u30fc (\u901a\u5e38\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306b\u3088\u3063\u3066\u8a2d\u5b9a) \u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001DNS \u8a2d\u5b9a\u3092\u5909\u66f4\u3059\u308b\u3068\u3001\u30aa\u30f3\u30e9\u30a4\u30f3 \u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001DNS \u5024\u3092\u5909\u66f4\u3059\u308b\u8aac\u5f97\u529b\u306e\u3042\u308b\u7406\u7531\u3092\u63a2\u308a\u3001\u6700\u901f\u306e\u30d1\u30d6\u30ea\u30c3\u30af DNS \u30b5\u30fc\u30d0\u30fc\u306e\u53b3\u9078\u30ea\u30b9\u30c8\u3092\u63d0\u793a\u3057\u3001\u7279\u306b\u30b2\u30fc\u30de\u30fc\u3084\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u91cd\u8996\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u3053\u308c\u3089\u306e\u5909\u66f4\u304c\u91cd\u8981\u3067\u3042\u308b\u7406\u7531\u306e\u8a73\u7d30\u3092\u6398\u308a\u4e0b\u3052\u307e\u3059\u3002<\/p>\n<h2><strong>DNS \u3092\u7406\u89e3\u3059\u308b: DNS \u3068\u306f\u4f55\u304b\u3001\u306a\u305c\u5909\u66f4\u3059\u308b\u306e\u304b?<\/strong><\/h2>\n<p>DNS (\u30c9\u30e1\u30a4\u30f3 \u30cd\u30fc\u30e0 \u30b7\u30b9\u30c6\u30e0) \u306f\u3001\u57fa\u672c\u7684\u306b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3067\u3059\u3002www.google.com \u306a\u3069\u306e\u4eba\u9593\u304c\u5224\u8aad\u3067\u304d\u308b\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u3001\u6a5f\u68b0\u304c\u5224\u8aad\u3067\u304d\u308b IP \u30a2\u30c9\u30ec\u30b9 (172.217.0.46 \u306a\u3069) \u306b\u5909\u63db\u3057\u307e\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u306a\u3051\u308c\u3070\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u5358\u7d14\u306a\u30c9\u30e1\u30a4\u30f3\u540d\u3067\u306f\u306a\u304f\u3001\u8907\u96d1\u306a\u6570\u5024\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u8a18\u61b6\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n<p>DNS \u30b5\u30fc\u30d0\u30fc\u3092\u5909\u66f4\u3059\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306a\u3044\u304f\u3064\u304b\u306e\u5229\u70b9\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u901f\u5ea6\u306e\u5411\u4e0a:<\/strong>\u3088\u308a\u9ad8\u901f\u306a DNS \u306b\u5207\u308a\u66ff\u3048\u308b\u3068\u3001Web \u30b5\u30a4\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u6642\u9593\u304c\u5927\u5e45\u306b\u77ed\u7e2e\u3055\u308c\u3001\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u4f53\u9a13\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5411\u4e0a:<\/strong>\u4e00\u90e8\u306e\u30d1\u30d6\u30ea\u30c3\u30af DNS \u30b5\u30fc\u30d0\u30fc\u306b\u306f\u3001\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u3084\u30de\u30eb\u30a6\u30a7\u30a2\u304b\u3089\u4fdd\u8b77\u3059\u308b\u6a5f\u80fd\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u306e\u5b89\u5168\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u5236\u9650\u3055\u308c\u305f\u30b3\u30f3\u30c6\u30f3\u30c4\u3078\u306e\u30a2\u30af\u30bb\u30b9:<\/strong>\u7279\u5b9a\u306e DNS \u30b5\u30fc\u30d3\u30b9\u306f\u3001\u5730\u57df\u5236\u9650\u3092\u56de\u907f\u3057\u3001\u30b0\u30ed\u30fc\u30d0\u30eb \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u6539\u5584\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/li>\n<li><strong>\u4fe1\u983c\u6027\u306e\u5411\u4e0a:<\/strong> ISP \u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u306a\u304f\u5c02\u7528\u306e DNS \u30b5\u30fc\u30d3\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u63a5\u7d9a\u306e\u4fe1\u983c\u6027\u304c\u5411\u4e0a\u3057\u3001\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u304c\u77ed\u7e2e\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2><strong>\u30d1\u30d6\u30ea\u30c3\u30af DNS \u30b5\u30fc\u30d0\u30fc\u306e\u8abf\u67fb<\/strong><\/h2>\n<p>\u30d1\u30d6\u30ea\u30c3\u30af DNS \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u4e00\u822c\u7684\u306a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304c\u6240\u6709\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3055\u307e\u3056\u307e\u306a\u7d44\u7e54\u306b\u3088\u3063\u3066\u904b\u55b6\u3055\u308c\u3066\u304a\u308a\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u4e00\u822c\u306e\u4eba\u3005\u306b\u7121\u6599\u3067\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u30d1\u30d6\u30ea\u30c3\u30af DNS \u30b5\u30fc\u30d0\u30fc\u306e\u7279\u5fb4\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>\u901f\u5ea6\u3068\u5834\u6240:<\/strong>\u30d1\u30d6\u30ea\u30c3\u30af DNS \u30b5\u30fc\u30d0\u30fc\u306e\u6709\u52b9\u6027\u306f\u3001\u7269\u7406\u7684\u306a\u5834\u6240\u3078\u306e\u8fd1\u3055\u3068\u5168\u4f53\u7684\u306a\u901f\u5ea6\u306b\u3088\u3063\u3066\u6c7a\u307e\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u8ca0\u8377:<\/strong> DNS \u30b5\u30fc\u30d0\u30fc\u304c\u6df7\u96d1\u3059\u308b\u3068\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30a2\u30af\u30bb\u30b9\u304c\u9045\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u5bb9\u91cf\u3092\u628a\u63e1\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/li>\n<li><strong>\u30c9\u30e1\u30a4\u30f3 \u30ad\u30e3\u30c3\u30b7\u30e5:<\/strong>\u4e00\u90e8\u306e\u30b5\u30fc\u30d0\u30fc\u3067\u306f\u3001\u30a2\u30af\u30bb\u30b9\u3092\u9ad8\u901f\u5316\u3059\u308b\u305f\u3081\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u305f\u30a2\u30c9\u30ec\u30b9\u3092\u4fdd\u5b58\u3057\u3001\u5168\u4f53\u7684\u306a\u5fdc\u7b54\u6642\u9593\u3092\u6539\u5584\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2><strong>2024 \u5e74\u306e\u6700\u901f\u7121\u6599\u30d1\u30d6\u30ea\u30c3\u30af DNS \u30b5\u30fc\u30d0\u30fc<\/strong><\/h2>\n<p>\u4ee5\u4e0b\u306f\u3001\u73fe\u5728\u5229\u7528\u53ef\u80fd\u306a\u6700\u3082\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u9ad8\u901f\u306a\u30d1\u30d6\u30ea\u30c3\u30af DNS \u30b5\u30fc\u30d3\u30b9\u306e\u91cd\u8981\u306a\u30ea\u30b9\u30c8\u3067\u3059\u3002<\/p>\n<table border=\"1\" cellpadding=\"2\" cellspacing=\"0\" width=\"734\">\n<thead>\n<tr>\n<th width=\"40%\">DNS\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u540d<\/th>\n<th width=\"30%\">\u30d7\u30e9\u30a4\u30de\u30ea DNS \u30b5\u30fc\u30d0\u30fc<\/th>\n<th>\u30bb\u30ab\u30f3\u30c0\u30ea DNS \u30b5\u30fc\u30d0\u30fc<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><a href=\"https:\/\/developers.google.com\/speed\/public-dns\/\" rel=\"noopener nofollow external noreferrer\" target=\"_blank\">\u30b0\u30fc\u30b0\u30eb<\/a><\/td>\n<td>8.8.8.8<\/td>\n<td>8.8.4.4<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.opendns.com\/\" rel=\"noopener nofollow external noreferrer\" target=\"_blank\">OpenDNS \u30db\u30fc\u30e0<\/a><\/td>\n<td>208.67.222.222<\/td>\n<td>208.67.220.220<\/td>\n<\/tr>\n<tr>\n<td><a href=\"http:\/\/www.level3.com\/\" rel=\"noopener nofollow external noreferrer\" target=\"_blank\">\u30ec\u30d9\u30eb3<\/a><\/td>\n<td>209.244.0.3<\/td>\n<td>209.244.0.4<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.verisign.com\/en_US\/security-services\/public-dns\/index.xhtml\" rel=\"noopener nofollow external noreferrer\" target=\"_blank\">\u30d9\u30ea\u30b5\u30a4\u30f3<\/a><\/td>\n<td>64.6.64.6<\/td>\n<td>64.6.65.6<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/dns.watch\/index\" rel=\"noopener nofollow external noreferrer\" target=\"_blank\">DNS.\u30a6\u30a9\u30c3\u30c1<\/a><\/td>\n<td>84.200.69.80<\/td>\n<td>84.200.70.40<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.comodo.com\/secure-dns\/\" rel=\"noopener nofollow external noreferrer\" target=\"_blank\">\u4fbf\u5229\u306a\u30bb\u30ad\u30e5\u30a2DNS<\/a><\/td>\n<td>8.26.56.26<\/td>\n<td>8.20.247.20<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/nortondns.com\/\" rel=\"nofollow external noopener noreferrer\" target=\"_blank\">\u30ce\u30fc\u30c8\u30f3 \u30b3\u30cd\u30af\u30c8\u30bb\u30fc\u30d5<\/a><\/td>\n<td>199.85.126.10<\/td>\n<td>199.85.127.10<\/td>\n<\/tr>\n<tr>\n<td><a href=\"http:\/\/www.greentm.co.uk\/\" rel=\"noopener nofollow external noreferrer\" target=\"_blank\">\u30b0\u30ea\u30fc\u30f3\u30c1\u30fc\u30e0DNS<\/a><\/td>\n<td>81.218.119.11<\/td>\n<td>209.88.198.133<\/td>\n<\/tr>\n<tr>\n<td>\u30bb\u30fc\u30d5DNS<\/td>\n<td>195.46.39.39<\/td>\n<td>195.46.39.40<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.opennic.org\/\" rel=\"noopener nofollow external noreferrer\" target=\"_blank\">\u30aa\u30fc\u30d7\u30f3NIC<\/a><\/td>\n<td>23.94.60.240<\/td>\n<td>128.52.130.209<\/td>\n<\/tr>\n<tr>\n<td><a href=\"http:\/\/www.markosweb.com\/free-dns\/\" rel=\"noopener nofollow external noreferrer\" target=\"_blank\">\u30b9\u30de\u30fc\u30c8\u30d0\u30a4\u30d1\u30fc<\/a><\/td>\n<td>208.76.50.50<\/td>\n<td>208.76.51.51<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/help.dyn.com\/internet-guide-setup\/\" rel=\"noopener nofollow external noreferrer\" target=\"_blank\">\u7537<\/a><\/td>\n<td>216.146.35.35<\/td>\n<td>216.146.36.36<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/freedns.zone\/en\/\" rel=\"noopener nofollow external noreferrer\" target=\"_blank\">\u7121\u6599DNS<\/a><\/td>\n<td>37.235.1.174<\/td>\n<td>37.235.1.177<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/alternate-dns.com\/registration_trial.php?beta=1\" rel=\"noopener nofollow external noreferrer\" target=\"_blank\">\u4ee3\u66ffDNS<\/a><\/td>\n<td>198.101.242.72<\/td>\n<td>23.253.163.53<\/td>\n<\/tr>\n<tr>\n<td>\u30e4\u30f3\u30c7\u30c3\u30af\u30b9DNS<\/td>\n<td>77.88.8.8<\/td>\n<td>77.88.8.1<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/blog.uncensoreddns.org\/\" rel=\"noopener nofollow external noreferrer\" target=\"_blank\">\u7121\u4fee\u6b63DNS<\/a><\/td>\n<td>91.239.100.100<\/td>\n<td>89.233.43.71<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/he.net\/\" rel=\"noopener nofollow external noreferrer\" target=\"_blank\">\u30cf\u30ea\u30b1\u30fc\u30f3\u30fb\u30a8\u30ec\u30af\u30c8\u30ea\u30c3\u30af<\/a><\/td>\n<td>74.82.42.42<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u30dd\u30a4\u30f3\u30c8CAT<\/td>\n<td>109.69.8.51<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><strong>2024 \u5e74\u306e\u30c8\u30c3\u30d7\u30d1\u30d6\u30ea\u30c3\u30af DNS \u30b5\u30fc\u30d3\u30b9<\/strong><\/h2>\n<h3><strong>1.<a href=\"https:\/\/developers.google.com\/speed\/public-dns\/\" rel=\"nofollow external noopener noreferrer\" target=\"_blank\">Google \u30d1\u30d6\u30ea\u30c3\u30af DNS<\/a><\/strong><\/h3>\n<figure class=\"wp-block-image\"><img alt=\"Google \u30d1\u30d6\u30ea\u30c3\u30af DNS\" class=\"wp-image\" decoding=\"async\" height=\"319\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2025\/01\/Google-Public-DNS-min.webp\" title=\"Google \u30d1\u30d6\u30ea\u30c3\u30af DNS\" width=\"609\"\/><\/figure>\n<p>Google<strong>\u30d1\u30d6\u30ea\u30c3\u30af DNS<\/strong>\u30b5\u30fc\u30d3\u30b9\u306f\u3001\u696d\u754c\u6700\u9ad8\u30af\u30e9\u30b9\u306e\u30b5\u30fc\u30d3\u30b9\u3068\u3057\u3066\u9ad8\u3044\u8a55\u4fa1\u3092\u5f97\u3066\u304a\u308a\u3001\u4e26\u5916\u308c\u305f\u901f\u5ea6\u3068\u4fe1\u983c\u6027\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u30c7\u30d0\u30a4\u30b9\u3092 8.8.8.8 \u304a\u3088\u3073 8.8.4.4 \u306e\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u306e\u52b9\u7387\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u63a5\u7d9a\u6027\u3092\u5f37\u5316\u3057\u305f\u3044\u30e6\u30fc\u30b6\u30fc\u306e\u305f\u3081\u306b IPv6 \u3082\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><strong>2.<a href=\"https:\/\/www.opendns.com\/\" rel=\"nofollow external noopener noreferrer\" target=\"_blank\">\u30aa\u30fc\u30d7\u30f3DNS<\/a><\/strong><\/h3>\n<figure class=\"wp-block-image\"><img alt=\"\u30aa\u30fc\u30d7\u30f3DNS\" class=\"wp-image\" decoding=\"async\" height=\"475\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2025\/01\/OpenDNS-min.webp\" title=\"\u30aa\u30fc\u30d7\u30f3DNS\" width=\"1200\"\/><\/figure>\n<p><strong>OpenDNS \u306f<\/strong>\u3001\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u53ef\u80fd\u306a\u6a5f\u80fd\u3068\u30e6\u30fc\u30b6\u30fc \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3067\u9ad8\u304f\u8a55\u4fa1\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30a2\u30c9\u30ec\u30b9 208.67.222.222 \u304a\u3088\u3073 208.67.220.220 \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30aa\u30f3\u30e9\u30a4\u30f3 \u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3068\u5b89\u5168\u6027\u3092\u5f37\u5316\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u305f\u5f37\u529b\u306a\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0 \u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3><strong>3.<a href=\"https:\/\/nortondns.com\/\" rel=\"nofollow external noopener noreferrer\" target=\"_blank\">\u30ce\u30fc\u30c8\u30f3 \u30b3\u30cd\u30af\u30c8\u30bb\u30fc\u30d5<\/a><\/strong><\/h3>\n<figure class=\"wp-block-image\"><img alt=\"\u30ce\u30fc\u30c8\u30f3 \u30b3\u30cd\u30af\u30c8\u30bb\u30fc\u30d5\" class=\"wp-image\" decoding=\"async\" height=\"384\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2025\/01\/Norton-ConnectSafe-DNS-min.webp\" title=\"\u30ce\u30fc\u30c8\u30f3 \u30b3\u30cd\u30af\u30c8\u30bb\u30fc\u30d5\" width=\"726\"\/><\/figure>\n<p>Norton <strong>ConnectSafe<\/strong> DNS \u30b5\u30fc\u30d3\u30b9\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u91cd\u8996\u3057\u3066\u304a\u308a\u3001\u3055\u307e\u3056\u307e\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30ec\u30d9\u30eb\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u3001\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u3001\u30a2\u30c0\u30eb\u30c8 \u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u5bfe\u3059\u308b\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3088\u308a\u5b89\u5168\u306a\u30aa\u30f3\u30e9\u30a4\u30f3\u74b0\u5883\u3092\u6c42\u3081\u308b\u5bb6\u65cf\u306b\u3068\u3063\u3066\u6700\u9069\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3059\u3002<\/p>\n<h3><strong>4.<a href=\"https:\/\/dns.watch\/\" rel=\"nofollow external noreferrer\" target=\"_blank\">DNS.\u30a6\u30a9\u30c3\u30c1<\/a><\/strong><\/h3>\n<figure class=\"wp-block-image\"><img alt=\"DNS.\u30a6\u30a9\u30c3\u30c1\" class=\"wp-image\" decoding=\"async\" height=\"300\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2025\/01\/DNS-WATCH-min.webp\" title=\"DNS.\u30a6\u30a9\u30c3\u30c1\" width=\"300\"\/><\/figure>\n<p>\u3042\u306a\u305f\u304c\u6c42\u3081\u308b\u691c\u95b2\u306e\u306a\u3044\u30a2\u30af\u30bb\u30b9\u306e\u305f\u3081\u306b\u3001<strong>DNS. WATCH \u306f\u3001<\/strong>\u512a\u308c\u305f\u901f\u5ea6\u3068\u95a2\u9023\u30b3\u30b9\u30c8\u306e\u306a\u3044\u30b7\u30f3\u30d7\u30eb\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u72a0\u7272\u306b\u3059\u308b\u3053\u3068\u306a\u304f\u4e2d\u7acb\u6027\u3092\u6c42\u3081\u308b\u30e6\u30fc\u30b6\u30fc\u306b\u6700\u9069\u3067\u3059\u3002<\/p>\n<h3><strong>5.<a href=\"http:\/\/www.level3.com\/en\/\" rel=\"nofollow external noopener noreferrer\" target=\"_blank\">\u30ec\u30d9\u30eb3 DNS<\/a><\/strong><\/h3>\n<figure class=\"wp-block-image\"><img alt=\"\u30ec\u30d9\u30eb3DNS\" class=\"wp-image\" decoding=\"async\" height=\"420\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2025\/01\/Level3-DNS-min.webp\" title=\"\u30ec\u30d9\u30eb3DNS\" width=\"800\"\/><\/figure>\n<p><strong>Level3 DNS \u306f\u3001<\/strong> IP \u30a2\u30c9\u30ec\u30b9 209.244.0.3 \u304a\u3088\u3073 209.244.0.4 \u3092\u5099\u3048\u3001\u512a\u308c\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u901f\u5ea6\u3092\u8a87\u308b\u5225\u306e\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3067\u3042\u308a\u3001\u512a\u308c\u305f\u4ee3\u66ff\u624b\u6bb5\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2><strong>\u9069\u5207\u306a DNS \u30b5\u30fc\u30d0\u30fc\u306e\u9078\u629e<\/strong><\/h2>\n<p>DNS \u30b5\u30fc\u30d0\u30fc\u3092\u9078\u629e\u3059\u308b\u3068\u304d\u306f\u3001\u901f\u5ea6\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u30b2\u30fc\u30e0\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u306e\u3069\u308c\u3092\u512a\u5148\u3059\u308b\u304b\u306a\u3069\u3001\u5177\u4f53\u7684\u306a\u30cb\u30fc\u30ba\u3092\u8003\u616e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u591a\u304f\u306e\u30e6\u30fc\u30b6\u30fc\u306f\u3001\u8907\u6570\u306e DNS \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3092\u8a66\u3057\u3066\u3001\u81ea\u5206\u306e\u5834\u6240\u3084\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306b\u6700\u9069\u306a\u7d50\u679c\u3092\u63d0\u4f9b\u3059\u308b\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3092\u5224\u65ad\u3059\u308b\u3053\u3068\u3067\u30e1\u30ea\u30c3\u30c8\u3092\u5f97\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><strong>\u7de8\u96c6\u9577\u3088\u308a<\/strong><\/h3>\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001\u3088\u308a\u9ad8\u901f\u3067\u5b89\u5168\u306a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u63a2\u6c42\u306f\u3001DNS \u8a2d\u5b9a\u306e\u7c21\u5358\u306a\u5909\u66f4\u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002\u4fe1\u983c\u6027\u3068\u901f\u5ea6\u306e\u70b9\u3067 Google \u3068 OpenDNS \u304c\u5f37\u304f\u63a8\u5968\u3055\u308c\u307e\u3059\u304c\u3001\u30aa\u30f3\u30e9\u30a4\u30f3 \u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306b\u6700\u9069\u306a\u3082\u306e\u3092\u898b\u3064\u3051\u308b\u305f\u3081\u306b\u3001\u4ed6\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3082\u305c\u3072\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<h3><strong>1. DNS \u3068\u306f\u4f55\u3067\u3059\u304b? \u306a\u305c\u91cd\u8981\u3067\u3059\u304b?<\/strong><\/h3>\n<p>DNS \u306f Domain Name System \u306e\u7565\u3067\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u30a2\u30c9\u30ec\u30b9\u5e33\u306e\u3088\u3046\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u30d5\u30ec\u30f3\u30c9\u30ea\u306a\u30c9\u30e1\u30a4\u30f3\u540d (www.example.com \u306a\u3069) \u3092\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u3067\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u304c\u4e92\u3044\u3092\u8b58\u5225\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3059\u308b IP \u30a2\u30c9\u30ec\u30b9\u306b\u5909\u63db\u3059\u308b\u305f\u3081\u3001Web \u306e\u95b2\u89a7\u306b\u306f\u6b20\u304b\u305b\u307e\u305b\u3093\u3002<\/p>\n<h3><strong>2. DNS \u3092\u5909\u66f4\u3059\u308b\u3068\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4f53\u9a13\u304c\u3069\u306e\u3088\u3046\u306b\u6539\u5584\u3055\u308c\u307e\u3059\u304b?<\/strong><\/h3>\n<p>DNS \u3092\u5909\u66f4\u3059\u308b\u3068\u3001\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u304c\u5411\u4e0a\u3057\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u304c\u5f37\u5316\u3055\u308c\u3001\u3055\u3089\u306b\u304a\u4f4f\u307e\u3044\u306e\u5730\u57df\u3067\u5236\u9650\u3055\u308c\u3066\u3044\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u3082\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u3088\u308a\u30b9\u30e0\u30fc\u30ba\u3067\u5b89\u5168\u306a\u30aa\u30f3\u30e9\u30a4\u30f3 \u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u304c\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n<h3><strong>3.\u7121\u6599\u306e\u30d1\u30d6\u30ea\u30c3\u30af DNS \u30b5\u30fc\u30d0\u30fc\u306f\u4fe1\u983c\u3067\u304d\u307e\u3059\u304b?<\/strong><\/h3>\n<p>Google DNS \u3084 OpenDNS \u306a\u3069\u306e\u591a\u304f\u306e\u7121\u6599\u30d1\u30d6\u30ea\u30c3\u30af DNS \u30b5\u30fc\u30d0\u30fc\u306f\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u3001\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306f\u5834\u6240\u3084\u30b5\u30fc\u30d0\u30fc\u306e\u8ca0\u8377\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u3044\u304f\u3064\u304b\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u30c6\u30b9\u30c8\u3057\u3066\u3001\u3069\u308c\u304c\u6700\u9069\u304b\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n<p><a class=\"xiaomi\" href=\"https:\/\/techdator.net\/best-free-dns-servers\/\" rel=\"noopener norefferer nofollow\" target=\"_blank\">\u51fa\u5178\u3068\u753b\u50cf<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>DNS\u3068\u3044\u3046\u8a00\u8449\u3092\u4f55\u5ea6\u3082\u8033\u306b\u3057\u305f\u3053\u3068\u304c\u3042\u308b\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u305d\u306e\u610f\u5473\u3092\u672c\u5f53\u306b\u7406\u89e3\u3057\u3066\u3044\u307e\u3059\u304b? DNS (\u30c9\u30e1\u30a4\u30f3 \u30cd\u30fc\u30e0 \u30b7\u30b9\u30c6\u30e0) \u306f\u3001URL \u3092\u5bfe\u5fdc\u3059\u308b IP \u30a2\u30c9\u30ec\u30b9\u306b\u30ea\u30f3\u30af\u3059\u308b\u3053\u3068\u3067\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u306e\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u63a5\u7d9a\u3059\u308b\u305f\u3073\u306b\u3001\u30c7\u30d0\u30a4\u30b9\u306f\u81ea\u52d5\u7684\u306b\u6307\u5b9a\u3055\u308c\u305f DNS \u30b5\u30fc\u30d0\u30fc (\u901a\u5e38\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306b\u3088\u3063\u3066\u8a2d\u5b9a) \u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001DNS \u8a2d\u5b9a\u3092\u5909\u66f4\u3059\u308b\u3068\u3001\u30aa\u30f3\u30e9\u30a4\u30f3 \u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 \u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001DNS \u5024\u3092\u5909\u66f4\u3059\u308b\u8aac\u5f97\u529b\u306e\u3042\u308b\u7406\u7531\u3092\u63a2\u308a\u3001\u6700\u901f\u306e\u30d1\u30d6\u30ea\u30c3\u30af DNS \u30b5\u30fc\u30d0\u30fc\u306e\u53b3\u9078\u30ea\u30b9\u30c8\u3092\u63d0\u793a\u3057\u3001\u7279\u306b\u30b2\u30fc\u30de\u30fc\u3084\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u91cd\u8996\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u3053\u308c\u3089\u306e\u5909\u66f4\u304c\u91cd\u8981\u3067\u3042\u308b\u7406\u7531\u306e\u8a73\u7d30\u3092\u6398\u308a\u4e0b\u3052\u307e\u3059\u3002 DNS \u3092\u7406\u89e3\u3059\u308b: DNS \u3068\u306f\u4f55\u304b\u3001\u306a\u305c\u5909\u66f4\u3059\u308b\u306e\u304b? DNS (\u30c9\u30e1\u30a4\u30f3 \u30cd\u30fc\u30e0 \u30b7\u30b9\u30c6\u30e0) \u306f\u3001\u57fa\u672c\u7684\u306b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3067\u3059\u3002www.google.com \u306a\u3069\u306e\u4eba\u9593\u304c\u5224\u8aad\u3067\u304d\u308b\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u3001\u6a5f\u68b0\u304c\u5224\u8aad\u3067\u304d\u308b IP \u30a2\u30c9\u30ec\u30b9 (172.217.0.46 \u306a\u3069) \u306b\u5909\u63db\u3057\u307e\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u306a\u3051\u308c\u3070\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u5358\u7d14\u306a\u30c9\u30e1\u30a4\u30f3\u540d\u3067\u306f\u306a\u304f\u3001\u8907\u96d1\u306a\u6570\u5024\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u8a18\u61b6\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3089\u3067\u3059\u3002 DNS \u30b5\u30fc\u30d0\u30fc\u3092\u5909\u66f4\u3059\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306a\u3044\u304f\u3064\u304b\u306e\u5229\u70b9\u304c\u5f97\u3089\u308c\u307e\u3059\u3002 \u901f\u5ea6\u306e\u5411\u4e0a:\u3088\u308a\u9ad8\u901f\u306a DNS \u306b\u5207\u308a\u66ff\u3048\u308b\u3068\u3001Web \u30b5\u30a4\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u6642\u9593\u304c\u5927\u5e45\u306b\u77ed\u7e2e\u3055\u308c\u3001\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u4f53\u9a13\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002 \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5411\u4e0a:\u4e00\u90e8\u306e\u30d1\u30d6\u30ea\u30c3\u30af DNS \u30b5\u30fc\u30d0\u30fc\u306b\u306f\u3001\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u3084\u30de\u30eb\u30a6\u30a7\u30a2\u304b\u3089\u4fdd\u8b77\u3059\u308b\u6a5f\u80fd\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u306e\u5b89\u5168\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002 \u5236\u9650\u3055\u308c\u305f\u30b3\u30f3\u30c6\u30f3\u30c4\u3078\u306e\u30a2\u30af\u30bb\u30b9:\u7279\u5b9a\u306e DNS \u30b5\u30fc\u30d3\u30b9\u306f\u3001\u5730\u57df\u5236\u9650\u3092\u56de\u907f\u3057\u3001\u30b0\u30ed\u30fc\u30d0\u30eb \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u6539\u5584\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002 \u4fe1\u983c\u6027\u306e\u5411\u4e0a: ISP \u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u306a\u304f\u5c02\u7528\u306e [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[333],"class_list":["post-7728","post","type-post","status-publish","format-standard","hentry","category-how-to","tag-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/posts\/7728","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/comments?post=7728"}],"version-history":[{"count":1,"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/posts\/7728\/revisions"}],"predecessor-version":[{"id":7729,"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/posts\/7728\/revisions\/7729"}],"wp:attachment":[{"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/media?parent=7728"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/categories?post=7728"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/tags?post=7728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}