# DNS Certification Authority Authorization (CAA)

> an Internet security policy mechanism

**Wikidata**: [Q20707880](https://www.wikidata.org/wiki/Q20707880)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/DNS_Certification_Authority_Authorization)  
**Source**: https://4ort.xyz/entity/dns-certification-authority-authorization-caa