DNS Certification Authority Authorization
Internet security policy mechanism / From Wikipedia, the free encyclopedia
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DNS Certification Authority Authorization (CAA) is an Internet security policy mechanism that allows domain name holders to indicate to certificate authorities whether they are authorized to issue digital certificates for a particular domain name. It does this by means of a "CAA" Domain Name System (DNS) resource record.
Quick Facts Abbreviation, Status ...
Abbreviation | CAA |
---|---|
Status | Proposed Standard |
First published | October 18, 2010 (2010-10-18) |
Latest version | RFC 8659 November 2019 |
Organization | IETF |
Authors |
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It was drafted by computer scientists Phillip Hallam-Baker and Rob Stradling in response to increasing concerns about the security of publicly trusted certificate authorities. It is an Internet Engineering Task Force (IETF) proposed standard.