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 2025-12-22 till 2025-12-28

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

Name Type Accuracy Inaccuracy
COMPOSITE BLOCKING LIST DNSBL 37.89% 0%
DCC CHECK 78.57% 3.96%
DNSWL HIGH DNSWL 0.61% 0%
DNSWL LOW DNSWL 0.09% 0%
DNSWL MEDIUM DNSWL 1.82% 0.16%
DNSWL NONE DNSWL 0.93% 3.57%
DRONEBL DNSBL 11.65% 0.09%
GBUDB.COM TRUNCATE DNSBL 52.02% 0%
IMP SPAMLIST DNSBL 0% 0%
JIPPG DNSBL 6.52% 0%
JMF-BLACK DNSBL 25% 0.05%
JMF-WHITE DNSWL 0.65% 0.31%
MAILSPIKE BL DNSBL 47.52% 0%
MAILSPIKE WL DNSWL 2.61% 1.86%
PSBL SURRIEL DNSBL 18.79% 0%
SPAM EATING MONKEY - BLACK DNSBL 17.86% 0%
SPAM EATING MONKEY - URI BLACK URIBL 13.2% 0.05%
SPAM EATING MONKEY - URI FRESH URIBL 1.55% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 1.55% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 2.33% 0%
SPAM EATING MONKEY - URI RED URIBL 13.35% 0.05%
SPAMCOP DNSBL 51.24% 0%
SPAMHAUS DBL URIBL 36.96% 0.23%
SPAMHAUS PBL DNSBL 51.24% 0%
SPAMHAUS SBL URIBL 1.09% 0%
SPAMHAUS XBL DNSBL 37.89% 0%
SPAMHAUS ZEN DNSBL 61.96% 0%
SPAMRATS ALL DNSBL 52.02% 0%
SPAMRATS DYNA DNSBL 8.39% 0%
SPAMRATS NOPTR DNSBL 32.61% 0%
SPAMRATS SPAM DNSBL 11.96% 0%
SURBL ABUSE URIBL 49.69% 0%
SURBL COMBINED URIBL 55.12% 0%
SURBL CRACKED SITES URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 19.72% 0%
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
UCEPROTECT 1 DNSBL 41.3% 0%
UCEPROTECT 2 DNSBL 64.91% 0.05%
UCEPROTECT 3 DNSBL 39.6% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
URIBL BLACKLIST URIBL 29.19% 0.42%

View the data processing guide to learn more.