Email Security
SPF, DKIM, DMARC and mail-server protection. 5 free tools, no signup required.
SPF Record Checker
Validate a domain's SPF record.
DMARC Record Checker
Check DMARC policy and reporting configuration.
DKIM Record Checker
Look up a DKIM public key by selector.
MX Record Checker
List the mail servers that accept a domain's email.
Email Security Score
One combined SPF, DKIM, DMARC and MTA-STS audit.