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

View the data processing guide to learn more.