https://answer.freetools.me/tags/icann/ Recent content in ICANN on Answer Hugo -- 0.152.2 zh-cn Fri, 06 Mar 2026 04:52:19 +0800 https://answer.freetools.me/dnssec%E4%B8%BA%E4%BD%95%E4%B8%89%E5%8D%81%E5%B9%B4%E6%9C%AA%E8%83%BD%E6%99%AE%E5%8F%8A%E4%B8%80%E4%B8%AA%E8%A2%AB%E5%AF%84%E4%BA%88%E5%8E%9A%E6%9C%9B%E7%9A%84%E5%AE%89%E5%85%A8%E5%8D%8F%E8%AE%AE%E7%9A%84%E5%9B%B0%E5%A2%83/ Fri, 06 Mar 2026 04:52:19 +0800 https://answer.freetools.me/dnssec%E4%B8%BA%E4%BD%95%E4%B8%89%E5%8D%81%E5%B9%B4%E6%9C%AA%E8%83%BD%E6%99%AE%E5%8F%8A%E4%B8%80%E4%B8%AA%E8%A2%AB%E5%AF%84%E4%BA%88%E5%8E%9A%E6%9C%9B%E7%9A%84%E5%AE%89%E5%85%A8%E5%8D%8F%E8%AE%AE%E7%9A%84%E5%9B%B0%E5%A2%83/ 深入剖析DNSSEC协议三十年来的发展与困境。从1997年协议诞生到2025年仅4.7%的全球域名采纳率，系统梳理其设计哲学、技术架构与部署障碍。通过Slack 2021年DNSSEC故障、2025年BIND缓存投毒漏洞等真实案例，揭示预计算签名、NSEC区枚举、双密钥管理等设计决策带来的运营复杂性。对比DNSSEC与DoH/DoT的不同威胁模型，探讨为何加密DNS获得快速普及而身份验证DNS却举步维艰。