DNSSEC
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DNSSEC（域名系统安全扩展）为[[dns|DNS]]记录添加加密签名，使解析器可以验证响应未被篡改。DNSSEC可防止DNS查询中的缓存投毒和中间人攻击。
示例
With DNSSEC enabled, your browser can verify that the IP address returned for your-bank.com actually came from the authoritative DNS server.