Check your domain's
email security in seconds
Free instant scan for SPF, DKIM, DMARC, MTA-STS and TLS-RPT. Get a security score and actionable recommendations.
What we check
MX Records
Verify your mail server configuration is correct and reachable.
SPF
Check that your Sender Policy Framework record is properly configured.
DKIM
Detect DKIM signing keys published in your DNS for message integrity.
DMARC
Validate your DMARC policy to protect against spoofing and phishing.
MTA-STS
Check if your domain enforces encrypted email delivery via MTA-STS.
TLS-RPT
Verify TLS reporting is enabled to catch delivery encryption failures.
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