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 2026-07-27 till 2026-08-02

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

Name Type Accuracy Inaccuracy
URIBL BLACKLIST URIBL 18.76% 2.77%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
UCEPROTECT 3 DNSBL 25.25% 0%
UCEPROTECT 2 DNSBL 36.74% 0%
UCEPROTECT 1 DNSBL 34.68% 0%
SWINOG URIBL URIBL 0% 0%
SWINOG DNSRBL DNSBL 0% 0%
SURBL PHISHING URIBL 2.65% 0%
SURBL MALWARE URIBL 0% 0%
SURBL CRACKED SITES URIBL 0% 0%
SURBL COMBINED URIBL 20.33% 0%
SURBL ABUSE URIBL 16.9% 0%
SPAMRATS SPAM DNSBL 12.28% 0%
SPAMRATS NOPTR DNSBL 22.1% 0%
SPAMRATS DYNA DNSBL 18.17% 0%
SPAMRATS ALL DNSBL 50.59% 0%
SPAMHAUS ZEN DNSBL 66.4% 0%
SPAMHAUS XBL DNSBL 52.16% 0%
SPAMHAUS SBL URIBL 0.29% 1.31%
SPAMHAUS PBL DNSBL 23.58% 0%
SPAMHAUS DBL URIBL 18.17% 0.02%
SPAMCOP DNSBL 37.43% 0%
SPAM EATING MONKEY - URI RED URIBL 34.18% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 1.77% 0.14%
SPAM EATING MONKEY - URI FRESH 10 URIBL 0.39% 0.09%
SPAM EATING MONKEY - URI FRESH URIBL 0.29% 0%
SPAM EATING MONKEY - URI BLACK URIBL 33.89% 0%
SPAM EATING MONKEY - BLACK DNSBL 7.86% 0%
PSBL SURRIEL DNSBL 9.82% 0%
MAILSPIKE WL DNSWL 3.89% 0.59%
MAILSPIKE BL DNSBL 38.7% 0%
JMF-WHITE DNSWL 2.13% 0.1%
JMF-BLACK DNSBL 35.46% 0.02%
JIPPG DNSBL 13.56% 0%
IMP SPAMLIST DNSBL 0% 0%
GBUDB.COM TRUNCATE DNSBL 47.64% 0%
DRONEBL DNSBL 18.27% 0%
DNSWL NONE DNSWL 0.62% 1.47%
DNSWL MEDIUM DNSWL 3.3% 0%
DNSWL LOW DNSWL 0.32% 0%
DNSWL HIGH DNSWL 0% 0%
DCC CHECK 86.35% 23.2%
COMPOSITE BLOCKING LIST DNSBL 52.16% 0%

View the data processing guide to learn more.