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RFC 6844, "DNS Certification Authority Authorization (CAA) Resource Record", January 2013

Note: This RFC has been obsoleted by RFC 8659

Source of RFC: pkix (sec)

Errata ID: 5244
Status: Held for Document Update
Type: Technical
Publication Format(s) : TEXT

Reported By: Corey Bonnell
Date Reported: 2018-01-26
Held for Document Update by: EKR
Date Held: 2018-11-30

Section 5.2 says:

CAA authorizations are additive; thus, the result of specifying both
the empty issuer and a specified issuer is the same as specifying
just the specified issuer alone.

It should say:

CAA authorizations are additive; thus, the result of specifying both
the empty issuer and a specified issuer is the same as specifying
just the specified issuer alone.  A non-empty CAA record set that does
not contain an issue property tag is authorization to any certificate
issuer to issue for the corresponding domain, provided that no
records in the CAA record set otherwise prohibit issuance.

Notes:

The current wording in the RFC does not clearly state how non-empty CAA record sets which do not contain any "issue" property tags should be handled in terms of whether or not such record sets authorize issuance. The additional wording clarifies the correct handling of this case.

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