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 2026-04-27 till 2026-05-03

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

Name Type Accuracy Inaccuracy
URIBL BLACKLIST URIBL 32.98% 0.16%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
UCEPROTECT 3 DNSBL 39.65% 4.65%
UCEPROTECT 2 DNSBL 35.69% 3.06%
UCEPROTECT 1 DNSBL 26.5% 0%
SWINOG URIBL URIBL 0% 0%
SWINOG DNSRBL DNSBL 0% 0%
SURBL PHISHING URIBL 12.09% 0%
SURBL MALWARE URIBL 0% 0%
SURBL CRACKED SITES URIBL 0% 0%
SURBL COMBINED URIBL 35.69% 0.04%
SURBL ABUSE URIBL 33.95% 0.04%
SPAMRATS SPAM DNSBL 12.86% 0%
SPAMRATS NOPTR DNSBL 21.76% 0%
SPAMRATS DYNA DNSBL 8.41% 0%
SPAMRATS ALL DNSBL 42.65% 0%
SPAMHAUS ZEN DNSBL 64.89% 0%
SPAMHAUS XBL DNSBL 39.36% 0%
SPAMHAUS SBL URIBL 0.87% 0.04%
SPAMHAUS PBL DNSBL 22.05% 0%
SPAMHAUS DBL URIBL 28.24% 0.07%
SPAMCOP DNSBL 39.07% 0%
SPAM EATING MONKEY - URI RED URIBL 16.15% 0.69%
SPAM EATING MONKEY - URI FRESH 15 URIBL 3.58% 0.07%
SPAM EATING MONKEY - URI FRESH 10 URIBL 3.48% 0.07%
SPAM EATING MONKEY - URI FRESH URIBL 3.48% 0.04%
SPAM EATING MONKEY - URI BLACK URIBL 15.67% 0.64%
SPAM EATING MONKEY - BLACK DNSBL 13.44% 0%
PSBL SURRIEL DNSBL 16.83% 0%
MAILSPIKE WL DNSWL 4.89% 1.74%
MAILSPIKE BL DNSBL 39.85% 0%
JMF-WHITE DNSWL 2.06% 0.39%
JMF-BLACK DNSBL 34.82% 0.04%
JIPPG DNSBL 10.44% 0%
IMP SPAMLIST DNSBL 0% 0%
GBUDB.COM TRUNCATE DNSBL 47.87% 0%
DRONEBL DNSBL 11.9% 0.33%
DNSWL NONE DNSWL 0.95% 2.61%
DNSWL MEDIUM DNSWL 3.65% 0.1%
DNSWL LOW DNSWL 0.35% 0%
DNSWL HIGH DNSWL 0.24% 0%
DCC CHECK 82.69% 11.12%
COMPOSITE BLOCKING LIST DNSBL 39.36% 0%

View the data processing guide to learn more.