---
id: "chain-of-trust"
kind: "glossary-term"
title: "信任链"
language: "zh-Hans"
category: "DNS与技术基础"
updated: "2026-10-10T12:00:00Z"
canonical: "https://tldlog.com/zh/cihui/xinren-lian/"
translations:
  en: "https://tldlog.com/glossary/chain-of-trust/"
  es: "https://tldlog.com/es/glosario/cadena-confianza/"
  de: "https://tldlog.com/de/glossar/vertrauenskette/"
  fr: "https://tldlog.com/fr/glossaire/chaine-confiance/"
  it: "https://tldlog.com/it/glossario/catena-fiducia/"
  pt-BR: "https://tldlog.com/pt/glossario/cadeia-confianca/"
  ru: "https://tldlog.com/ru/glossariy/tsepochka-doveriya/"
---

# 信任链

从根区一直延伸到某个域名的一系列相互关联的DNSSEC签名。每个父区都保存一条DS记录，为子区的密钥作担保。如果其中一环缺失或出错，校验签名的解析器会将该域名的应答视为无效。

## 相关术语

- [DNSSEC](https://tldlog.com/zh/cihui/dnssec/)
- [DS记录](https://tldlog.com/zh/cihui/ds-jilu/)
- [DNSKEY记录](https://tldlog.com/zh/cihui/dnskey-jilu/)
- [信任锚](https://tldlog.com/zh/cihui/xinren-mao/)
- [DNSSEC验证](https://tldlog.com/zh/cihui/dnssec-yanzheng/)