{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.three-wise-monkeys.com%2Fentry%2F2026%2F01%2F28%2F080000\" title=\"DNS\uff08Domain Name System\uff09\uff1aA to Z Information Security - \u53e1\u667a\u306e\u4e09\u733f\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/s/slowtrain2013/20251109/20251109123526.png","version":"1.0","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","blog_url":"https://www.three-wise-monkeys.com/","url":"https://www.three-wise-monkeys.com/entry/2026/01/28/080000","published":"2026-01-28 08:00:00","author_url":"https://blog.hatena.ne.jp/slowtrain2013/","categories":["A to Z Information Security","\u6c17\u306b\u306a\u308b\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7528\u8a9e","\u6587\u5b66\u30fb\u8a9e\u5b66","\u30b5\u30fc\u30d0\u30fc\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af"],"title":"DNS\uff08Domain Name System\uff09\uff1aA to Z Information Security","description":"DNS: The Internet's Phone Book DNS stands for \"Domain Name System.\" It's like a giant phone book for the internet that helps your computer find websites! What is DNS? Imagine you want to call your friend, but you only remember their name, not their phone number. So you look in a phone book to find t\u2026","width":"100%","author_name":"slowtrain2013","type":"rich","blog_title":"\u53e1\u667a\u306e\u4e09\u733f","height":"190"}