Email Auth Checker

Check email authentication records (SPF, DKIM, DMARC) for any domain.

SPF, DKIM, and DMARC are email authentication protocols that protect your domain from spoofing and phishing attacks. Our email security checker queries all three record types for any domain, showing the exact SPF mechanisms, DKIM public keys, and DMARC policies.

Result

Enter a domain to check email auth records.

FAQ

What are SPF, DKIM, and DMARC?

SPF, DKIM, and DMARC are email authentication protocols.