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 2025-04-28 till 2025-05-04

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 39.87% 0%
DCC CHECK 77.64% 3.63%
DNSWL HIGH DNSWL 0.11% 0%
DNSWL LOW DNSWL 0.11% 0%
DNSWL MEDIUM DNSWL 61.38% 0.11%
DNSWL NONE DNSWL 0.97% 1.69%
DRONEBL DNSBL 1.69% 0%
GBUDB.COM TRUNCATE DNSBL 56.33% 0%
IMP SPAMLIST DNSBL 0% 0%
JIPPG DNSBL 4.85% 0%
JMF-BLACK DNSBL 49.05% 0.07%
JMF-WHITE DNSWL 0.49% 0.42%
MAILSPIKE BL DNSBL 26.27% 0%
MAILSPIKE WL DNSWL 1.42% 2.53%
PSBL SURRIEL DNSBL 43.14% 0%
SPAM EATING MONKEY - BLACK DNSBL 9.81% 0%
SPAM EATING MONKEY - URI BLACK URIBL 4.01% 0%
SPAM EATING MONKEY - URI FRESH URIBL 2.32% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 2.95% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 3.16% 0%
SPAM EATING MONKEY - URI RED URIBL 5.59% 0%
SPAMCOP DNSBL 46.31% 0%
SPAMHAUS DBL URIBL 17.93% 0.04%
SPAMHAUS PBL DNSBL 21.94% 0%
SPAMHAUS SBL URIBL 0% 0%
SPAMHAUS XBL DNSBL 39.87% 0%
SPAMHAUS ZEN DNSBL 58.76% 0%
SPAMRATS ALL DNSBL 35.76% 0%
SPAMRATS DYNA DNSBL 10.55% 0%
SPAMRATS NOPTR DNSBL 7.81% 0%
SPAMRATS SPAM DNSBL 19.2% 0%
SURBL ABUSE URIBL 22.68% 0%
SURBL COMBINED URIBL 28.9% 0%
SURBL CRACKED SITES URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 6.33% 0%
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
UCEPROTECT 1 DNSBL 53.38% 0%
UCEPROTECT 2 DNSBL 62.97% 0%
UCEPROTECT 3 DNSBL 58.86% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
URIBL BLACKLIST URIBL 17.51% 0.04%
WPBL DNSBL 0% 0%

View the data processing guide to learn more.