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

View the data processing guide to learn more.