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 2026-07-13 till 2026-07-19

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

Name Type Accuracy Inaccuracy
COMPOSITE BLOCKING LIST DNSBL 44.74% 0%
DCC CHECK 81.58% 26.56%
DNSWL HIGH DNSWL 0% 0%
DNSWL LOW DNSWL 0.39% 0%
DNSWL MEDIUM DNSWL 2% 0%
DNSWL NONE DNSWL 0.65% 2.99%
DRONEBL DNSBL 17.11% 0%
GBUDB.COM TRUNCATE DNSBL 46.77% 0%
IMP SPAMLIST DNSBL 0% 0%
JIPPG DNSBL 11.96% 0%
JMF-BLACK DNSBL 40.19% 0.03%
JMF-WHITE DNSWL 1.19% 0%
MAILSPIKE BL DNSBL 38.88% 0%
MAILSPIKE WL DNSWL 3.04% 0.48%
PSBL SURRIEL DNSBL 13.4% 0%
SPAM EATING MONKEY - BLACK DNSBL 9.09% 0%
SPAM EATING MONKEY - URI BLACK URIBL 38.64% 0.52%
SPAM EATING MONKEY - URI FRESH URIBL 8.01% 0.13%
SPAM EATING MONKEY - URI FRESH 10 URIBL 8.01% 0.13%
SPAM EATING MONKEY - URI FRESH 15 URIBL 8.01% 0.13%
SPAM EATING MONKEY - URI RED URIBL 38.52% 0.65%
SPAMCOP DNSBL 43.42% 0%
SPAMHAUS DBL URIBL 23.44% 0.03%
SPAMHAUS PBL DNSBL 25% 0%
SPAMHAUS SBL URIBL 0.48% 2.23%
SPAMHAUS XBL DNSBL 44.74% 0%
SPAMHAUS ZEN DNSBL 61.84% 0%
SPAMRATS ALL DNSBL 50.36% 0%
SPAMRATS DYNA DNSBL 15.55% 0%
SPAMRATS NOPTR DNSBL 20.81% 0%
SPAMRATS SPAM DNSBL 16.27% 0%
SURBL ABUSE URIBL 21.17% 0.08%
SURBL COMBINED URIBL 28.83% 0.08%
SURBL CRACKED SITES URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 12.32% 0%
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
UCEPROTECT 1 DNSBL 40.19% 0%
UCEPROTECT 2 DNSBL 39.95% 0%
UCEPROTECT 3 DNSBL 28.71% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
URIBL BLACKLIST URIBL 23.09% 1.4%

View the data processing guide to learn more.