Blacklist Monitor

Welcome to our Blacklist Performance Monitoring, tracking more than 40 blacklists.

Blacklists, also known as RBL, DNSBL or URIBL, help administrators to block messages from specific IP's which have a history of sending spam. They can be used by software like SpamAssassin to reject or flag unwanted messages. Most public blacklists have their own standards and criteria for listing spammers. Hence, results can vary greatly from one to the other.

Latest News

2025-10-21

Removed the no longer operational WPBL and CBLCN lists
» More news

Blacklists performance from 2026-09-07 till 2026-09-13

Below are weekly statistics of accuracy and failure rates for specific blacklists:

Name Type Accuracy Inaccuracy
SURBL MALWARE URIBL 0% 0%
SWINOG URIBL URIBL 0% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
IMP SPAMLIST DNSBL 0% 0%
SURBL CRACKED SITES URIBL 0% 0%
SWINOG DNSRBL DNSBL 0% 0%
DNSWL LOW DNSWL 0.35% 0%
DNSWL HIGH DNSWL 0.38% 0%
DNSWL NONE DNSWL 0.48% 5.2%
SPAM EATING MONKEY - URI FRESH URIBL 0.89% 0%
SPAMHAUS SBL URIBL 0.95% 1.42%
SPAM EATING MONKEY - URI FRESH 10 URIBL 1.12% 0.04%
JMF-WHITE DNSWL 1.36% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 1.59% 0.04%
DNSWL MEDIUM DNSWL 1.92% 0%
MAILSPIKE WL DNSWL 2.55% 0.89%
SPAM EATING MONKEY - BLACK DNSBL 6.44% 0%
PSBL SURRIEL DNSBL 6.97% 0%
JIPPG DNSBL 7.91% 0%
DRONEBL DNSBL 8.09% 0%
SPAMRATS SPAM DNSBL 12.34% 0%
SPAMRATS NOPTR DNSBL 15.3% 0%
SPAMHAUS DBL URIBL 19.08% 0.08%
SPAM EATING MONKEY - URI BLACK URIBL 19.31% 0.02%
SPAM EATING MONKEY - URI RED URIBL 19.85% 0.02%
MAILSPIKE BL DNSBL 20.79% 0%
URIBL BLACKLIST URIBL 21.68% 0.17%
SPAMHAUS PBL DNSBL 22.27% 0%
SURBL PHISHING URIBL 22.39% 0%
SPAMRATS DYNA DNSBL 22.45% 0%
UCEPROTECT 3 DNSBL 25.4% 0%
SPAMCOP DNSBL 26.88% 0%
JMF-BLACK DNSBL 27.29% 0.04%
UCEPROTECT 1 DNSBL 29.71% 0%
SURBL ABUSE URIBL 31.84% 0.17%
SURBL COMBINED URIBL 34.79% 0.17%
SPAMHAUS XBL DNSBL 37.39% 0%
COMPOSITE BLOCKING LIST DNSBL 37.45% 0%
GBUDB.COM TRUNCATE DNSBL 40.82% 0%
UCEPROTECT 2 DNSBL 45.19% 0%
SPAMRATS ALL DNSBL 47.67% 0%
SPAMHAUS ZEN DNSBL 50.21% 0%
DCC CHECK 84.41% 22.51%

View the data processing guide to learn more.