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Domain security scan.

Run every check at once: DMARC, SPF, DKIM, MTA-STS, BIMI and DNS health for any domain. No signup.

Six live checks: mail provider and DNS health, DMARC, SPF, DKIM, MTA-STS, and BIMI.

This check is a snapshot. dmarcula watches your domain around the clock, reads the DMARC reports for you, and emails you when something changes. Free, no credit card.

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