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 2026-10-26 till 2026-11-01

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

Name Type Accuracy Inaccuracy
URIBL BLACKLIST URIBL 33.43% 0.02%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
UCEPROTECT 3 DNSBL 41.28% 0.04%
UCEPROTECT 2 DNSBL 58.5% 0.02%
UCEPROTECT 1 DNSBL 40.77% 0%
SWINOG URIBL URIBL 0% 0%
SWINOG DNSRBL DNSBL 0% 0%
SURBL PHISHING URIBL 24.71% 0%
SURBL MALWARE URIBL 0% 0%
SURBL CRACKED SITES URIBL 0% 0%
SURBL COMBINED URIBL 41.42% 0%
SURBL ABUSE URIBL 36.05% 0%
SPAMRATS SPAM DNSBL 14.39% 0%
SPAMRATS NOPTR DNSBL 17.95% 0%
SPAMRATS DYNA DNSBL 19.48% 0%
SPAMRATS ALL DNSBL 49.35% 0%
SPAMHAUS ZEN DNSBL 54.43% 0%
SPAMHAUS XBL DNSBL 35.97% 0%
SPAMHAUS SBL URIBL 0.29% 1.57%
SPAMHAUS PBL DNSBL 28.27% 0%
SPAMHAUS DBL URIBL 43.53% 0.06%
SPAMCOP DNSBL 27.03% 0%
SPAM EATING MONKEY - URI RED URIBL 22.82% 0.04%
SPAM EATING MONKEY - URI FRESH 15 URIBL 5.09% 0.02%
SPAM EATING MONKEY - URI FRESH 10 URIBL 4.72% 0.02%
SPAM EATING MONKEY - URI FRESH URIBL 3.92% 0.02%
SPAM EATING MONKEY - URI BLACK URIBL 22.67% 0.02%
SPAM EATING MONKEY - BLACK DNSBL 13.08% 0%
PSBL SURRIEL DNSBL 6.54% 0%
MAILSPIKE WL DNSWL 2.51% 0.58%
MAILSPIKE BL DNSBL 40.77% 0.06%
JMF-WHITE DNSWL 1.14% 0.15%
JMF-BLACK DNSBL 31.54% 0.11%
JIPPG DNSBL 10.1% 0%
IMP SPAMLIST DNSBL 0% 0%
GBUDB.COM TRUNCATE DNSBL 58.5% 0%
DRONEBL DNSBL 12.86% 0%
DNSWL NONE DNSWL 0.34% 2.25%
DNSWL MEDIUM DNSWL 79.02% 0%
DNSWL LOW DNSWL 0.47% 0%
DNSWL HIGH DNSWL 0.09% 0%
DCC CHECK 72.67% 22.82%
COMPOSITE BLOCKING LIST DNSBL 36.12% 0%

View the data processing guide to learn more.