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Free point-in-time diagnostic

Check your domain's DNS health.

See what the public internet can verify about DNS, mail, SSL, and key protections before you migrate, register, or start continuous monitoring.

  • DNS records and delegation
  • Mail routing and sender policy
  • SSL/TLS certificate health
  • DNSSEC and CAA posture

Three accepted checks per rolling 24 hours.

Read-only. The check does not change DNS or hosting.

No passwords, DNS tokens, or account access required.

Three free checks / 24 hours

Enter one public domain.

Paste a domain or an HTTP/HTTPS URL. We use only its public hostname.

Your result will appear here. No sign-in or DNS access is required.

One-time health check

Evidence for this moment.

A free check shows what could be observed when you ran it. A clean result does not guarantee that records, certificates, or delegation will stay unchanged.

Continuous monitoring

Watch for what changes next.

Advanced DNS Security Monitoring establishes a baseline, checks for drift and security findings, and alerts approved recipients. It remains read-only.

Add a domain and start monitoring