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 2026-03-02 till 2026-03-08

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

Name Type Accuracy Inaccuracy
COMPOSITE BLOCKING LIST DNSBL 31.04% 0%
SPAM EATING MONKEY - BLACK DNSBL 8.59% 0%
JIPPG DNSBL 8.59% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 2.38% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 2.51% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
SPAMRATS SPAM DNSBL 18.36% 0%
IMP SPAMLIST DNSBL 0% 0%
SPAMHAUS PBL DNSBL 33.55% 0%
DNSWL HIGH DNSWL 0% 0%
SPAM EATING MONKEY - URI FRESH URIBL 1.98% 0%
MAILSPIKE BL DNSBL 44.78% 0%
SPAMRATS ALL DNSBL 46.76% 0%
SPAMHAUS XBL DNSBL 31.04% 0%
SPAMHAUS ZEN DNSBL 53.37% 0%
DNSWL MEDIUM DNSWL 1.42% 0%
DNSWL LOW DNSWL 0.47% 0%
SPAM EATING MONKEY - URI RED URIBL 3.7% 0%
GBUDB.COM TRUNCATE DNSBL 49.54% 0%
SPAM EATING MONKEY - URI BLACK URIBL 3.7% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 17.7% 0%
SPAMRATS NOPTR DNSBL 25.1% 0%
SPAMRATS DYNA DNSBL 5.02% 0%
PSBL SURRIEL DNSBL 21.14% 0%
SPAMCOP DNSBL 42.67% 0%
SWINOG DNSRBL DNSBL 0% 0%
SURBL CRACKED SITES URIBL 0% 0%
UCEPROTECT 2 DNSBL 50.99% 0%
SWINOG URIBL URIBL 0% 0%
UCEPROTECT 1 DNSBL 35.54% 0%
SURBL ABUSE URIBL 45.31% 0.02%
SURBL COMBINED URIBL 48.22% 0.02%
SPAMHAUS DBL URIBL 30.78% 0.04%
JMF-BLACK DNSBL 30.65% 0.04%
SPAMHAUS SBL URIBL 0% 0.04%
DRONEBL DNSBL 15.72% 0.04%
UCEPROTECT 3 DNSBL 40.16% 0.1%
URIBL BLACKLIST URIBL 26.29% 0.12%
JMF-WHITE DNSWL 1.19% 0.4%
MAILSPIKE WL DNSWL 2.53% 1.85%
DNSWL NONE DNSWL 1.01% 2.91%
DCC CHECK 78.73% 15.23%

View the data processing guide to learn more.