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 2026-06-22 till 2026-06-28

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

Name Type Accuracy Inaccuracy
URIBL BLACKLIST URIBL 25.32% 1.77%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
UCEPROTECT 3 DNSBL 36.75% 0.13%
UCEPROTECT 2 DNSBL 43.55% 0.05%
UCEPROTECT 1 DNSBL 39.21% 0%
SWINOG URIBL URIBL 0% 0%
SWINOG DNSRBL DNSBL 0% 0%
SURBL PHISHING URIBL 4.83% 0%
SURBL MALWARE URIBL 0% 0%
SURBL CRACKED SITES URIBL 0% 0%
SURBL COMBINED URIBL 22.17% 0%
SURBL ABUSE URIBL 18.23% 0%
SPAMRATS SPAM DNSBL 17.34% 0%
SPAMRATS NOPTR DNSBL 25.32% 0%
SPAMRATS DYNA DNSBL 16.16% 0%
SPAMRATS ALL DNSBL 56.85% 0%
SPAMHAUS ZEN DNSBL 72.22% 0%
SPAMHAUS XBL DNSBL 50.15% 0%
SPAMHAUS SBL URIBL 0.79% 1.33%
SPAMHAUS PBL DNSBL 31.53% 0%
SPAMHAUS DBL URIBL 19.21% 0.03%
SPAMCOP DNSBL 42.96% 0.05%
SPAM EATING MONKEY - URI RED URIBL 30.64% 0.34%
SPAM EATING MONKEY - URI FRESH 15 URIBL 1.38% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 1.38% 0%
SPAM EATING MONKEY - URI FRESH URIBL 1.18% 0%
SPAM EATING MONKEY - URI BLACK URIBL 30.54% 0.34%
SPAM EATING MONKEY - BLACK DNSBL 7.59% 0%
PSBL SURRIEL DNSBL 13.5% 0%
MAILSPIKE WL DNSWL 3% 0.79%
MAILSPIKE BL DNSBL 34.29% 0%
JMF-WHITE DNSWL 1.41% 0%
JMF-BLACK DNSBL 36.75% 0.03%
JIPPG DNSBL 16.65% 0%
IMP SPAMLIST DNSBL 0% 0%
GBUDB.COM TRUNCATE DNSBL 50.15% 0%
DRONEBL DNSBL 18.82% 0%
DNSWL NONE DNSWL 1.28% 1.18%
DNSWL MEDIUM DNSWL 1.95% 0%
DNSWL LOW DNSWL 0.44% 0%
DNSWL HIGH DNSWL 0.05% 0%
DCC CHECK 87.39% 23.38%
COMPOSITE BLOCKING LIST DNSBL 50.05% 0%

View the data processing guide to learn more.