Domain Security Checker

Enter a domain to check its DMARC, SPF, DKIM, MTA-STS, BIMI, CAA, and TLS-RPT DNS records.

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Check Domain

Enter a domain name without http:// or www.

Automated Domain Security Monitoring

Automatically monitor your domains for SPF, DKIM, DMARC, MTA-STS, and other security configurations. Get notified when your security score changes.