Email Blacklist Checker: Know Before Deliverability Drops
Scan the major email blacklists for your domain in one pass and see exactly where you are listed, before inboxes go quiet. Results in seconds.
Free with a Brainito account. No credit card required.
All Major Lists Checked
One scan covers the widely used blacklists that mailbox providers reference, so nothing slips past you.
Catch Issues Early
Find a listing before open rates crater, so you can request delisting while the damage is still small.
Clear Next Steps
Each result explains what a listing means and what to do about it, so you are not left guessing.
Frequently Asked Questions
Which blacklists does the checker scan?
It checks the major public DNS-based blacklists that mailbox providers commonly reference. You see a clear listed or clean status for each one from a single scan, so you know exactly where your domain stands.
What should I do if my domain is listed?
First stop the behavior that triggered it, such as sending to stale lists. Then follow each blacklist's delisting process. Most accept removal requests once the underlying issue is fixed, and the tool points you to where to start.
Is the Blacklist Checker free to use?
Yes. It is free after you create a Brainito account. Run a scan whenever you like, and it is smart practice to check before any major 2026 email campaign so a hidden listing does not sink your send.
Check the major email blacklists for your domain in one scan
One account unlocks blacklist checker plus 340+ marketing tools, weekly audits, and your action plan.