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

2025-02-27

We thank the Nixspam team for their service and have removed the defunct lists.
» More news

Blacklists performance from 2025-03-24 till 2025-03-30

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

Name Type Accuracy Inaccuracy
CBLCN PLUS DNSBL 0% 0%
COMPOSITE BLOCKING LIST DNSBL 15.92% 0%
DCC CHECK 70.71% 7.43%
DNSWL HIGH DNSWL 0.86% 0%
DNSWL LOW DNSWL 1.25% 0%
DNSWL MEDIUM DNSWL 67.35% 0%
DNSWL NONE DNSWL 1.32% 1.63%
DRONEBL DNSBL 4.69% 0.04%
GBUDB.COM TRUNCATE DNSBL 57.35% 0%
IMP SPAMLIST DNSBL 0% 0%
JIPPG DNSBL 12.04% 0%
JMF-BLACK DNSBL 37.14% 0%
JMF-WHITE DNSWL 0.47% 0.1%
MAILSPIKE BL DNSBL 32.14% 0%
MAILSPIKE WL DNSWL 3.19% 0.82%
PSBL SURRIEL DNSBL 26.53% 0%
SPAM EATING MONKEY - BLACK DNSBL 9.59% 0%
SPAM EATING MONKEY - URI BLACK URIBL 2.76% 0%
SPAM EATING MONKEY - URI FRESH URIBL 10% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 10.51% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 10.61% 0%
SPAM EATING MONKEY - URI RED URIBL 9.49% 0%
SPAMCOP DNSBL 29.08% 0.12%
SPAMHAUS DBL URIBL 36.94% 0.08%
SPAMHAUS PBL DNSBL 32.65% 0%
SPAMHAUS SBL URIBL 0.1% 0%
SPAMHAUS XBL DNSBL 15.92% 0%
SPAMHAUS ZEN DNSBL 44.39% 0%
SPAMRATS ALL DNSBL 44.49% 0%
SPAMRATS DYNA DNSBL 6.94% 0%
SPAMRATS NOPTR DNSBL 19.39% 0%
SPAMRATS SPAM DNSBL 20% 0%
SURBL ABUSE URIBL 38.06% 0.04%
SURBL COMBINED URIBL 43.78% 0.04%
SURBL CRACKED SITES URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 16.94% 0%
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
UCEPROTECT 1 DNSBL 31.22% 0%
UCEPROTECT 2 DNSBL 50.51% 0%
UCEPROTECT 3 DNSBL 36.33% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
URIBL BLACKLIST URIBL 31.73% 0.08%
WPBL DNSBL 0% 0%

View the data processing guide to learn more.