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 2025-10-13 till 2025-10-19

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

Name Type Accuracy Inaccuracy
COMPOSITE BLOCKING LIST DNSBL 40.78% 0%
DCC CHECK 77.33% 5.03%
DNSWL HIGH DNSWL 0.13% 0%
DNSWL LOW DNSWL 0.08% 0%
DNSWL MEDIUM DNSWL 42.64% 0%
DNSWL NONE DNSWL 1.54% 1.91%
DRONEBL DNSBL 15.68% 0.03%
GBUDB.COM TRUNCATE DNSBL 57.52% 0%
IMP SPAMLIST DNSBL 0% 0%
JIPPG DNSBL 21.93% 0%
JMF-BLACK DNSBL 43.01% 0%
JMF-WHITE DNSWL 1.07% 0%
MAILSPIKE BL DNSBL 58.58% 0%
MAILSPIKE WL DNSWL 3.86% 1.48%
PSBL SURRIEL DNSBL 31.67% 0.03%
SPAM EATING MONKEY - BLACK DNSBL 16.1% 0%
SPAM EATING MONKEY - URI BLACK URIBL 3.07% 0%
SPAM EATING MONKEY - URI FRESH URIBL 2.33% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 2.86% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 2.86% 0%
SPAM EATING MONKEY - URI RED URIBL 4.87% 0%
SPAMCOP DNSBL 52.12% 0.05%
SPAMHAUS DBL URIBL 31.36% 0.03%
SPAMHAUS PBL DNSBL 28.5% 0%
SPAMHAUS SBL URIBL 0.64% 0%
SPAMHAUS XBL DNSBL 40.78% 0%
SPAMHAUS ZEN DNSBL 54.45% 0%
SPAMRATS ALL DNSBL 51.17% 0%
SPAMRATS DYNA DNSBL 9.75% 0%
SPAMRATS NOPTR DNSBL 21.61% 0%
SPAMRATS SPAM DNSBL 22.03% 0%
SURBL ABUSE URIBL 37.82% 0%
SURBL COMBINED URIBL 47.03% 0%
SURBL CRACKED SITES URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 22.14% 0%
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
UCEPROTECT 1 DNSBL 48.52% 0%
UCEPROTECT 2 DNSBL 58.79% 0%
UCEPROTECT 3 DNSBL 43.11% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
URIBL BLACKLIST URIBL 24.89% 0.11%

View the data processing guide to learn more.