---
id: "caa-record"
kind: "glossary-term"
title: "CAA记录"
language: "zh-Hans"
category: "DNS与技术基础"
updated: "2026-10-10T12:00:00Z"
canonical: "https://tldlog.com/zh/cihui/caa-jilu/"
translations:
  en: "https://tldlog.com/glossary/caa-record/"
  es: "https://tldlog.com/es/glosario/registro-caa/"
  de: "https://tldlog.com/de/glossar/caa-record/"
  fr: "https://tldlog.com/fr/glossaire/enregistrement-caa/"
  it: "https://tldlog.com/it/glossario/record-caa/"
  pt-BR: "https://tldlog.com/pt/glossario/registro-caa/"
  ru: "https://tldlog.com/ru/glossariy/caa-zapis/"
---

# CAA记录

证书颁发机构授权

域名所有人在其中指定哪些证书颁发机构可为该域名签发TLS证书的DNS记录。证书颁发机构在签发前必须检查该记录。它降低了有人为自己并不控制的域名获取证书的风险。

## 相关术语

- [DNS记录](https://tldlog.com/zh/cihui/dns-jilu/)
- [DANE](https://tldlog.com/zh/cihui/dane/)
- [TXT记录](https://tldlog.com/zh/cihui/txt-jilu/)
- [DNSSEC](https://tldlog.com/zh/cihui/dnssec/)
- [TLS](https://tldlog.com/zh/cihui/tls/)