Domain Health Checker
One check for DNS, email authentication, TLS, security headers and redirects, with a grade per area and a full report.
Related tools
- Email SecurityCheck SPF, DKIM, DMARC, MTA-STS, TLS-RPT and BIMI for a domain and get the records to fix them.
- DNS LookupLook up DNS records by type, including reverse (PTR) lookups for IP addresses.
- MX & SMTPCheck a domain's mail servers and test SMTP connections, STARTTLS and open relay.
- TLS CheckerInspect a site's TLS certificate, expiry, issuer and negotiated protocol, with a full report.
About this tool
One check for DNS, email authentication, TLS, security headers and redirects, with a grade per area and a full report.
Every check runs against public DNS and the public website from the XGM server. Scores are a quick orientation: 35 points off per critical finding and 12 per warning in each category. The linked tools show the full detail.
How to use it
- Open the Domain Health tool.
- Enter the public domain, hostname or IP address you want to check.
- Run the check; XGM queries it from its server and lists the findings.
- Copy the output only after checking it looks correct.
- Use related XGM tools if you need a broader diagnostic view.
FAQ
Is the Domain Health free to use?
Yes. The domain health checker is free and works without creating an account.
Does XGM store my input for Domain Health?
Browser-side utilities process input locally. Server checks send only the domain, host or IP you enter to the XGM API and do not store it.
Can I use Domain Health for production checks?
Yes, use it for quick validation and troubleshooting. For critical changes, confirm the result with your official provider, logs, monitoring or security stack.
What should I do after using the domain health checker?
Compare the result with related signals, save useful evidence and follow the linked XGM guide or related tools if you need a wider check.
Read the full Domain Health Checker guide