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 2026-06-15 till 2026-06-21

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

Name Type Accuracy Inaccuracy
COMPOSITE BLOCKING LIST DNSBL 46.88% 0%
DCC CHECK 90.08% 18.96%
DNSWL HIGH DNSWL 0% 0%
DNSWL LOW DNSWL 0.53% 0.09%
DNSWL MEDIUM DNSWL 2.88% 0%
DNSWL NONE DNSWL 0.71% 1.76%
DRONEBL DNSBL 10.27% 0%
GBUDB.COM TRUNCATE DNSBL 46.71% 0%
IMP SPAMLIST DNSBL 0% 0%
JIPPG DNSBL 7.64% 0%
JMF-BLACK DNSBL 30.82% 0%
JMF-WHITE DNSWL 1.35% 0.09%
MAILSPIKE BL DNSBL 36.52% 0%
MAILSPIKE WL DNSWL 3.09% 0.53%
PSBL SURRIEL DNSBL 15.36% 0%
SPAM EATING MONKEY - BLACK DNSBL 11.85% 0%
SPAM EATING MONKEY - URI BLACK URIBL 21.95% 0.13%
SPAM EATING MONKEY - URI FRESH URIBL 0.53% 0.05%
SPAM EATING MONKEY - URI FRESH 10 URIBL 1.14% 0.05%
SPAM EATING MONKEY - URI FRESH 15 URIBL 1.93% 0.05%
SPAM EATING MONKEY - URI RED URIBL 22.12% 0.13%
SPAMCOP DNSBL 27.3% 0%
SPAMHAUS DBL URIBL 24.76% 0%
SPAMHAUS PBL DNSBL 23.44% 0%
SPAMHAUS SBL URIBL 0.61% 0.26%
SPAMHAUS XBL DNSBL 46.88% 0%
SPAMHAUS ZEN DNSBL 69.45% 0%
SPAMRATS ALL DNSBL 57.33% 0%
SPAMRATS DYNA DNSBL 19.58% 0%
SPAMRATS NOPTR DNSBL 19.14% 0%
SPAMRATS SPAM DNSBL 20.46% 0%
SURBL ABUSE URIBL 22.21% 0%
SURBL COMBINED URIBL 27.39% 0%
SURBL CRACKED SITES URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 4.04% 0%
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
UCEPROTECT 1 DNSBL 31.96% 0%
UCEPROTECT 2 DNSBL 44.78% 0%
UCEPROTECT 3 DNSBL 30.2% 0.03%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
URIBL BLACKLIST URIBL 32.57% 0.74%

View the data processing guide to learn more.