Free Tools

Email Security Tools

Stop attackers from spoofing your domain. These tools grade your email authentication and help you build correct SPF and DMARC records. They query public DNS resolvers for the domain you enter to read its records. Nothing you enter is stored.

Harden Your Email Authentication

Check where your domain stands today, then generate the records to close the gaps.

How Your Data Is Handled

These tools query public DNS resolvers for the domain you enter to read its email records. Nothing you enter is stored.

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