Free Tool
DMARC Record Checker
Instantly validate your DMARC record. Check policy settings, alignment, and get recommendations to improve your email security.
What is DMARC?
DMARC (Domain-based Message Authentication, Reporting & Conformance) is an email authentication protocol that helps protect your domain from unauthorized use, commonly known as email spoofing.
A DMARC record is published in your DNS and tells receiving mail servers what to do when an email fails SPF and DKIM authentication checks. It also provides a way for receivers to report back to you about messages that pass and/or fail DMARC evaluation.
DMARC Policy Options
- none: Monitor mode - no action taken on failing emails
- quarantine: Failing emails are sent to spam/junk folder
- reject: Failing emails are rejected entirely