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 2026-05-11 till 2026-05-17

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

Name Type Accuracy Inaccuracy
URIBL BLACKLIST URIBL 31.85% 0.07%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
UCEPROTECT 3 DNSBL 44.47% 0%
UCEPROTECT 2 DNSBL 43.85% 0.02%
UCEPROTECT 1 DNSBL 31.54% 0%
SWINOG URIBL URIBL 0% 0%
SWINOG DNSRBL DNSBL 0% 0%
SURBL PHISHING URIBL 9.41% 0%
SURBL MALWARE URIBL 0% 0%
SURBL CRACKED SITES URIBL 0.1% 0%
SURBL COMBINED URIBL 34.33% 0.02%
SURBL ABUSE URIBL 31.54% 0.02%
SPAMRATS SPAM DNSBL 12.31% 0%
SPAMRATS NOPTR DNSBL 25.23% 0%
SPAMRATS DYNA DNSBL 7.96% 0%
SPAMRATS ALL DNSBL 44.88% 0%
SPAMHAUS ZEN DNSBL 70.11% 0.02%
SPAMHAUS XBL DNSBL 33.2% 0.02%
SPAMHAUS SBL URIBL 0% 0%
SPAMHAUS PBL DNSBL 28.02% 0.02%
SPAMHAUS DBL URIBL 29.68% 0%
SPAMCOP DNSBL 47.47% 0%
SPAM EATING MONKEY - URI RED URIBL 13.44% 0.47%
SPAM EATING MONKEY - URI FRESH 15 URIBL 6.62% 0.07%
SPAM EATING MONKEY - URI FRESH 10 URIBL 3% 0.07%
SPAM EATING MONKEY - URI FRESH URIBL 2.59% 0.07%
SPAM EATING MONKEY - URI BLACK URIBL 13.34% 0.47%
SPAM EATING MONKEY - BLACK DNSBL 19.96% 0%
PSBL SURRIEL DNSBL 24.2% 0%
MAILSPIKE WL DNSWL 3.86% 1.34%
MAILSPIKE BL DNSBL 44.26% 0.02%
JMF-WHITE DNSWL 1.36% 0.41%
JMF-BLACK DNSBL 35.16% 0.02%
JIPPG DNSBL 7.96% 0%
IMP SPAMLIST DNSBL 0% 0%
GBUDB.COM TRUNCATE DNSBL 50.36% 0.02%
DRONEBL DNSBL 8.07% 0.05%
DNSWL NONE DNSWL 0.89% 2.9%
DNSWL MEDIUM DNSWL 3.34% 0%
DNSWL LOW DNSWL 0.37% 0%
DNSWL HIGH DNSWL 0.02% 0%
DCC CHECK 79.83% 9.63%
COMPOSITE BLOCKING LIST DNSBL 33.2% 0.02%

View the data processing guide to learn more.