Free overview tool

Domain health checker

See how the parts of your domain work together. Start with the critical issues, then work through a practical list of improvements.

Have a DKIM selector?

Free. No account required.

Public domains only

Checking public records… most scans finish in 5–15 seconds.

How this check works

Independent DNS, email, certificate, website and registration checks run concurrently. Expand a finding for the observed value and recommended action. A slow or unavailable source leaves that check unverified while the other findings remain useful.

A useful starting point

Your score summarizes the issues this scan can observe. Open each check to see the evidence and a recommended next step. An unknown result means we could not establish the answer; it is never proof of a failure.

Read the report in context

A domain used only for email may not need a website. A non-mailing domain may intentionally publish a null MX. Review each finding against how you actually use the domain before changing anything.

Common questions

Does a score of 100 mean my domain is secure?

No. The score covers a limited set of public configuration checks. It is not a security audit, malware scan or guarantee of deliverability.

Will a scan change my domain?

No. We read public DNS and registration records and make normal HTTP and TLS connections. We do not change DNS or contact mailboxes.