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@github-actions github-actions released this 26 Sep 12:40
v6.0.0
cb6ba64
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Learn about vigilant mode.

6.0.0 (2026-09-26)

⚠ BREAKING CHANGES

  • dmarc: DMARC verdicts can change. A subdomain whose parent publishes no record is now its own Organizational Domain, so a signature or SPF domain of the parent no longer aligns with it. Subdomains of names the Public Suffix List lists as suffixes but that publish a DMARC record (for example blogspot.com) now inherit that policy. The result's domain is the Tree Walk Organizational Domain, and is the author domain when no record is found.

Features

  • dmarc: find policies and organizational domains with the RFC 9989 DNS Tree Walk (8ab1da2)
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