Email Security Signals: DMARC, SPF, DKIM & BIMI Checker

Grade a list of domains A-F on email authentication: SPF (incl. 10-lookup limit), DMARC policy and reporting vendor, DKIM, MTA-STS, TLS-RPT, BIMI, DNSSEC, security.txt. Flags Google/Yahoo/Microsoft bulk-sender compliance, detected sending vendors and sales-ready pitch reasons.

Publisher description, verbatim

Last 7 dayson this actor

1other change

Each one reaches followers by email the morning after.Follow this actor

Key figures28 readings

Price / 1k$20.00per 1,000 domain-graded

Users / 30d1→ 0 over 28 readings

Users, all time2→ 0 over 28 readings

Runs / 30d24↑ 23 over 28 readings

Runs / user / mo24.0runs per monthly user

Recorded changes

2026-10-21contentREADME updated-559 characters-559characters
2026-10-13contentREADME updated+869 characters+869characters
2026-10-05schemaInput schema changed—on record

showing 3 of 6 in the last 30 days · followers get all 6 by email

History

28 readings since 2026-09-27

Users / 30d28 readings

Users, all time28 readings

Runs / 30d28 readings

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