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 2026-09-21 till 2026-09-27

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

Name Type Accuracy Inaccuracy
URIBL BLACKLIST URIBL 26.03% 0.09%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
UCEPROTECT 3 DNSBL 23.81% 0%
UCEPROTECT 2 DNSBL 53.79% 0%
UCEPROTECT 1 DNSBL 31.96% 0%
SWINOG URIBL URIBL 0% 0%
SWINOG DNSRBL DNSBL 0% 0%
SURBL PHISHING URIBL 22.57% 0%
SURBL MALWARE URIBL 0% 0%
SURBL CRACKED SITES URIBL 0% 0%
SURBL COMBINED URIBL 35.58% 0.16%
SURBL ABUSE URIBL 32.13% 0.16%
SPAMRATS SPAM DNSBL 13.92% 0.05%
SPAMRATS NOPTR DNSBL 16.89% 0%
SPAMRATS DYNA DNSBL 18.53% 0%
SPAMRATS ALL DNSBL 46.21% 0.05%
SPAMHAUS ZEN DNSBL 52.31% 0%
SPAMHAUS XBL DNSBL 39.04% 0%
SPAMHAUS SBL URIBL 0.25% 1.36%
SPAMHAUS PBL DNSBL 23.06% 0%
SPAMHAUS DBL URIBL 25.21% 0.05%
SPAMCOP DNSBL 26.77% 0%
SPAM EATING MONKEY - URI RED URIBL 28.01% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 0.33% 0.04%
SPAM EATING MONKEY - URI FRESH 10 URIBL 0.25% 0.04%
SPAM EATING MONKEY - URI FRESH URIBL 0.16% 0.04%
SPAM EATING MONKEY - URI BLACK URIBL 28.01% 0%
SPAM EATING MONKEY - BLACK DNSBL 4.86% 0%
PSBL SURRIEL DNSBL 3.71% 0%
MAILSPIKE WL DNSWL 2.62% 0.99%
MAILSPIKE BL DNSBL 20.59% 0%
JMF-WHITE DNSWL 1.58% 0.08%
JMF-BLACK DNSBL 18.78% 0.05%
JIPPG DNSBL 5.93% 0%
IMP SPAMLIST DNSBL 0% 0%
GBUDB.COM TRUNCATE DNSBL 45.88% 0.04%
DRONEBL DNSBL 8.48% 0%
DNSWL NONE DNSWL 0.51% 1.65%
DNSWL MEDIUM DNSWL 2.15% 0%
DNSWL LOW DNSWL 0.21% 0%
DNSWL HIGH DNSWL 0.12% 0%
DCC CHECK 79.57% 19.92%
COMPOSITE BLOCKING LIST DNSBL 39.13% 0%

View the data processing guide to learn more.