Free tools · Deliverability

DKIM Record Checker

Find a domain’s DKIM key under common selectors, or check your own selector.

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Want this done for every email, automatically?

Zevmio warms up your inboxes, verifies your leads and sends personalized cold email that lands in the inbox.

Check SPF, DKIM, DMARC and MX in one go, with a grade and plain-English fixes.

Look up a domain’s SPF record and find duplicates, “+all” and too many lookups.

See a domain’s DMARC policy and whether spoofed email is blocked.