Email Domain Health Checker
Check your domain's MX, SPF, DKIM, and DMARC records instantly. Get a visual report card with an overall grade.
Check your domain →SPF Record Checker
Analyze your SPF record in detail — mechanisms, DNS lookup count, and security assessment with plain-English explanations.
Check SPF →DKIM Record Checker
Look up your DKIM records by selector. Analyze key type, key strength, and detect your email provider automatically.
Check DKIM →DMARC Record Checker
Analyze your DMARC policy — enforcement level, reporting setup, alignment mode, and cross-check SPF and DKIM.
Check DMARC →