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 2026-03-23 till 2026-03-29

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

Name Type Accuracy Inaccuracy
URIBL BLACKLIST URIBL 30.03% 0.12%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
UCEPROTECT 3 DNSBL 52.28% 59.5%
UCEPROTECT 2 DNSBL 53.13% 0.04%
UCEPROTECT 1 DNSBL 30.46% 0%
SWINOG URIBL URIBL 0% 0%
SWINOG DNSRBL DNSBL 0% 0%
SURBL PHISHING URIBL 13.54% 0%
SURBL MALWARE URIBL 0% 0%
SURBL CRACKED SITES URIBL 0% 0%
SURBL COMBINED URIBL 40.36% 0%
SURBL ABUSE URIBL 36.38% 0%
SPAMRATS SPAM DNSBL 18.19% 0%
SPAMRATS NOPTR DNSBL 11.25% 0%
SPAMRATS DYNA DNSBL 5.16% 0%
SPAMRATS ALL DNSBL 34.01% 0%
SPAMHAUS ZEN DNSBL 37.9% 0.02%
SPAMHAUS XBL DNSBL 15.14% 0.02%
SPAMHAUS SBL URIBL 0.34% 0.06%
SPAMHAUS PBL DNSBL 18.87% 0.02%
SPAMHAUS DBL URIBL 23.52% 0.06%
SPAMCOP DNSBL 41.54% 0%
SPAM EATING MONKEY - URI RED URIBL 5.84% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 2.12% 0.06%
SPAM EATING MONKEY - URI FRESH 10 URIBL 1.61% 0.02%
SPAM EATING MONKEY - URI FRESH URIBL 1.44% 0.02%
SPAM EATING MONKEY - URI BLACK URIBL 5.41% 0%
SPAM EATING MONKEY - BLACK DNSBL 11.59% 0%
PSBL SURRIEL DNSBL 22.17% 0%
MAILSPIKE WL DNSWL 2.13% 1.61%
MAILSPIKE BL DNSBL 38.07% 0%
JMF-WHITE DNSWL 0.37% 0.17%
JMF-BLACK DNSBL 32.23% 0%
JIPPG DNSBL 4.82% 0%
IMP SPAMLIST DNSBL 0% 0%
GBUDB.COM TRUNCATE DNSBL 38.32% 0.04%
DRONEBL DNSBL 8.38% 0.16%
DNSWL NONE DNSWL 0.9% 3.64%
DNSWL MEDIUM DNSWL 1.47% 0%
DNSWL LOW DNSWL 0.47% 0.08%
DNSWL HIGH DNSWL 0.08% 0%
DCC CHECK 82.57% 10.6%
COMPOSITE BLOCKING LIST DNSBL 15.14% 0.02%

View the data processing guide to learn more.