Check common domain, email or website URL formatting rules. This is syntax-only; it does not query DNS or test delivery.
This page checks formatting only. Enter a domain to see whether its email DNS is set up, as a score out of 100.
DNS only. The domain is looked up from your browser when you run the check on the next page; it is not stored.
Check common formatting rules only. These are not live delivery or availability tests.
No DNS lookup, email delivery, ownership verification, or website connection is performed.
Want every check in one go? Try the Email Health Check for MX, SPF, DMARC, DKIM, MTA-STS and DMARC report upload.
Check common domain, email or website URL formatting rules. This is syntax-only; it does not query DNS or test delivery.
Review the limits and privacy notes shown with the tool. Important configuration or security decisions should be checked against authoritative systems and your organization’s approved procedures.
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