Free deliverability tools

Quick, single-purpose checks with the exact fix for anything that's wrong. No signup.

SPF checkerFind missing, duplicate or over-limit SPF records and get the exact fix.
DMARC checkerCheck your DMARC policy against Gmail and Yahoo sender rules.
Blacklist checkerSee if your domain or mail server is on Spamhaus, SpamCop, Barracuda and more.
Spam word checkerHighlight the words in your cold email that trip spam filters.

Check everything at once

The full scan covers SPF, DKIM, DMARC, 9 blacklists, domain age and your email copy, then tells you what to fix first. Free accounts get 50 credits a month.

Run a full scan free

More free tools

SPF checkerFind missing, duplicate or over-limit SPF records and get the exact fix.
DMARC checkerCheck your DMARC policy against Gmail and Yahoo sender rules.
Blacklist checkerSee if your domain or mail server is on Spamhaus, SpamCop, Barracuda and more.
Spam word checkerHighlight the words in your cold email that trip spam filters.