DMARC Record Audit

Audit a DMARC record. Reports an absent or unrecognised policy tag, which makes the whole record ignored; a pct below 100, where the policy applies to that share of failing mail and the rest is treated as none, so a rollout left part way is not the policy it appears to be; a subdomain policy weaker than the organisational one; a reporting address outside the domain, which needs an authorising record there or no reports arrive; and a tag DMARC does not define.