IP & Domain Blacklist Checker
Check your IP address or domain against 50+ email blacklists.
What are Email Blacklists?
Email blacklists (DNSBLs) are databases of IP addresses and domains known to send spam. Major email providers check these lists when deciding whether to deliver your email to the inbox or spam folder.
Major Blacklists We Check
- Spamhaus (SBL, XBL, PBL, DBL)
- Barracuda (BRBL)
- SpamCop
- SORBS
- And 40+ more