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 2026-01-26 till 2026-02-01

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

Name Type Accuracy Inaccuracy
COMPOSITE BLOCKING LIST DNSBL 37.37% 0%
DCC CHECK 77.9% 2.7%
DNSWL HIGH DNSWL 0.08% 0%
DNSWL LOW DNSWL 0.18% 0%
DNSWL MEDIUM DNSWL 1.19% 0%
DNSWL NONE DNSWL 0.64% 4.42%
DRONEBL DNSBL 18.18% 0%
GBUDB.COM TRUNCATE DNSBL 54.8% 0%
IMP SPAMLIST DNSBL 0% 0%
JIPPG DNSBL 11.49% 0%
JMF-BLACK DNSBL 34.72% 0%
JMF-WHITE DNSWL 0.22% 0.13%
MAILSPIKE BL DNSBL 50.38% 0%
MAILSPIKE WL DNSWL 1.47% 1.39%
PSBL SURRIEL DNSBL 26.01% 0%
SPAM EATING MONKEY - BLACK DNSBL 13.01% 0%
SPAM EATING MONKEY - URI BLACK URIBL 3.54% 0%
SPAM EATING MONKEY - URI FRESH URIBL 2.53% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 2.78% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 3.41% 0%
SPAM EATING MONKEY - URI RED URIBL 4.17% 0%
SPAMCOP DNSBL 50.25% 0%
SPAMHAUS DBL URIBL 24.87% 0%
SPAMHAUS PBL DNSBL 39.02% 0%
SPAMHAUS SBL URIBL 0.38% 0.04%
SPAMHAUS XBL DNSBL 37.37% 0%
SPAMHAUS ZEN DNSBL 54.17% 0%
SPAMRATS ALL DNSBL 54.55% 0%
SPAMRATS DYNA DNSBL 7.83% 0%
SPAMRATS NOPTR DNSBL 31.69% 0%
SPAMRATS SPAM DNSBL 17.8% 0%
SURBL ABUSE URIBL 44.95% 0%
SURBL COMBINED URIBL 49.62% 0%
SURBL CRACKED SITES URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 30.43% 0%
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
UCEPROTECT 1 DNSBL 18.43% 0%
UCEPROTECT 2 DNSBL 44.95% 0%
UCEPROTECT 3 DNSBL 34.72% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
URIBL BLACKLIST URIBL 20.96% 0.08%

View the data processing guide to learn more.