SPF, DMARC, DKIM, and MX checks with an overall deliverability score.
Email Health Checker helps you spf, dmarc, dkim, and mx checks with an overall deliverability score. It is commonly used by network admins, IT support teams, ops engineers for email health check, spf checker, dmarc checker.
Email authentication health
Enter a domain name to run security checks used for outbound and inbound email deliverability.
Checks performed
- **SPF** — finds `v=spf1` at the apex and validates basic syntax
- **DMARC** — reads `_dmarc` for `v=DMARC1` and policy (`p=none`, `quarantine`, `reject`)
- **DKIM** — scans common selector hostnames for public keys
- **MX** — confirms mail exchanger records exist
Score
An overall health band and 0–100 score are computed from individual pass/fail results.