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

View the data processing guide to learn more.