DMARC reporting diagnostics

Fix DMARC reports not received

External DMARC report destinations need a public DNS authorization record. This check verifies publication only; report delivery remains receiver-dependent.

Problem description

DMARC aggregate reports are not arriving at an external reporting address.

Check DMARC authorization free

What the check confirms

It queries the authorization name for external rua and ruf mailto destinations and distinguishes absent records from temporary DNS failures.

Safe repair

Publish the authorization at the reporting destination or use an address in the policy domain.