域名认证机构授权CAA

CAA domain

CAA(Certification Authority Authorization,证书颁发机构授权)是一项防止HTTPS证书错误颁发的安全措施,遵从IETF RFC6844。从2017年9月8日起,要求CA(Certification Authority,证书颁发)机构执行CAA强制性检查。

➜ ~ dig example.com caa +short

Google Trust Services CAA 记录

0 issue "pki.goog; cansignhttpexchanges=yes"
0 issuewild "pki.goog; cansignhttpexchanges=yes"

Let’s Encrypt CAA 记录

0 issue "letsencrypt.org"
0 issuewild "letsencrypt.org"

SSL.com CAA 记录

0 issue "ssl.com"
0 issuewild "ssl.com"

Sectigo CAA 记录

0 issue "sectigo.com"
0 issuewild "sectigo.com"

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