DMARC analyzer
Policy + reportingInspect the exact domain's DMARC enforcement, alignment, inheritance, rollout, and aggregate or forensic report destinations.
Enter a mail domainThe result distinguishes missing, malformed, conflicting, monitoring-only, partial-rollout, and resolver-failure states.
Policy and alignment defaults
p controls the requested treatment for failing mail. sp defaults to p, and np defaults to the effective subdomain policy. DKIM and SPF alignment default to relaxed when their tags are absent.
This tool checks the exact _dmarc owner only; it does not perform Public Suffix List organizational-domain fallback or verify authorization for external report recipients.