Studio Experiments

Email Security Checker

Check SPF, DKIM, and DMARC records for a domain and see what each protection does.

Find the records that help protect a domain from spoofing

Enter a domain to check SPF and DMARC. Add a DKIM selector if you know it, such as `default`, `google`, `selector1`, or a selector from your email provider.

This page runs in your browser and queries public DNS directly. No results are sent to this website.

Check Records

Domain lookup

Enter a domain to start.

SPFNot checked yet

SPF will be checked at the root domain TXT records.

DKIMSelector needed

DKIM will be checked at selector._domainkey.domain when a selector is provided.

DMARCNot checked yet

DMARC will be checked at _dmarc.domain.

Next Step

Have something that needs to work better?

Bring the accounts, devices, passwords, or everyday tech setup that needs a clearer support plan. We can make it safer and easier to manage.

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