Email & DNS checker.
Enter a domain to see whether its email is protected against spoofing and whether its DNS is locked down, with a plain-English explanation of each result.
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Mobile · coming soon
The mobile layout isn't finished yet and currently breaks parts of the site. Come back on a larger screen in the meantime. Mobile support is on the way.
Enter a domain to see whether its email is protected against spoofing and whether its DNS is locked down, with a plain-English explanation of each result.