Internet Assigned Numbers Authority

Domain-based Message Authentication, Reporting, and Conformance (DMARC)

Created
2015-01-27
Last Updated
2025-04-04
Available Formats

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Registries included below

DMARC Tags

Registration Procedure(s)
Specification Required
Expert(s)
Scott Kitterman
Reference
[RFC-ietf-dmarc-dmarcbis-41]
Available Formats

CSV
Tag Name Reference Status Description
adkim [RFC-ietf-dmarc-dmarcbis-41] active DKIM Identifier Alignment mode
aspf [RFC-ietf-dmarc-dmarcbis-41] active SPF Identifier Alignment mode
fo [RFC-ietf-dmarc-dmarcbis-41] active Failure reporting options
np [RFC-ietf-dmarc-dmarcbis-41] active Requested Domain Owner Assessment Policy for non-existent subdomains
p [RFC-ietf-dmarc-dmarcbis-41] active Requested Domain Owner Assessment Policy
pct [RFC7489] historic Sampling rate
psd [RFC-ietf-dmarc-dmarcbis-41] active Indicates whether the DMARC Policy Record is published by a Public Suffix Domain
rf [RFC7489] historic Failure reporting format(s)
ri [RFC7489] historic Aggregate Reporting interval
rua [RFC-ietf-dmarc-dmarcbis-41] active Reporting URI(s) for DMARC aggregate feedback reports
ruf [RFC-ietf-dmarc-dmarcbis-41] active Reporting URI(s) for message-specific DMARC failure reports
sp [RFC-ietf-dmarc-dmarcbis-41] active Requested Domain Owner Assessment Policy for subdomains
t [RFC-ietf-dmarc-dmarcbis-41] active DMARC policy test mode
v [RFC-ietf-dmarc-dmarcbis-41] active DMARC specification version

DMARC Report Formats

Registration Procedure(s)
Specification Required
Expert(s)
Scott Kitterman
Reference
[RFC-ietf-dmarc-dmarcbis-41]
Available Formats

CSV
Format Name Reference Status Description
afrf [RFC-ietf-dmarc-dmarcbis-41] active Authentication Failure Reporting Format (see [RFC6591])