🔍 DMARC Record Checker

Look up and explain a domain's DMARC policy in plain English.

What is DMARC?

DMARC (Domain-based Message Authentication, Reporting & Conformance) is an email authentication protocol that builds on SPF and DKIM. It tells receiving mail servers what to do when emails fail authentication checks.

  • p=none — Monitor only, don't take action on failing emails
  • p=quarantine — Send failing emails to spam/junk folder
  • p=reject — Reject failing emails outright