Email tool
DMARC Record Checker
Check a domain's DMARC TXT record and review its policy, reporting, and alignment settings.
DNS query
Why DMARC matters
DMARC tells receivers what to do when SPF or DKIM authentication fails. It is a core control for reducing spoofing and phishing against your domain.
Policy progression
Many domains begin with p=none for monitoring, then move to quarantine or reject once legitimate senders are aligned.