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 2025-06-02 till 2025-06-08

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

Name Type Accuracy Inaccuracy
IMP SPAMLIST DNSBL 0% 0%
MAILSPIKE BL DNSBL 44.42% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 13.05% 0%
SPAMRATS SPAM DNSBL 37.16% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
SPAM EATING MONKEY - URI BLACK URIBL 5.16% 0%
SPAM EATING MONKEY - URI RED URIBL 8.21% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 6.11% 0%
SURBL COMBINED URIBL 56.95% 0%
DNSWL HIGH DNSWL 1.23% 0%
DNSWL MEDIUM DNSWL 61.88% 0%
DNSWL LOW DNSWL 0.25% 0%
SPAM EATING MONKEY - URI FRESH URIBL 3.16% 0%
JIPPG DNSBL 9.79% 0%
COMPOSITE BLOCKING LIST DNSBL 25.16% 0%
SPAM EATING MONKEY - BLACK DNSBL 14.11% 0%
WPBL DNSBL 0% 0%
CBLCN PLUS DNSBL 0% 0%
SPAMRATS DYNA DNSBL 11.68% 0%
SPAMRATS NOPTR DNSBL 8.84% 0%
SURBL ABUSE URIBL 49.58% 0%
SPAMHAUS SBL URIBL 0.63% 0%
SPAMCOP DNSBL 33.26% 0%
PSBL SURRIEL DNSBL 38.32% 0%
SPAMRATS ALL DNSBL 57.05% 0%
SURBL CRACKED SITES URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
UCEPROTECT 1 DNSBL 41.68% 0%
SPAMHAUS XBL DNSBL 25.16% 0%
SWINOG URIBL URIBL 0% 0%
SWINOG DNSRBL DNSBL 0% 0%
SURBL PHISHING URIBL 16.53% 0%
UCEPROTECT 3 DNSBL 48.21% 0.04%
DRONEBL DNSBL 3.58% 0.07%
GBUDB.COM TRUNCATE DNSBL 34.11% 0.07%
SPAMHAUS ZEN DNSBL 47.05% 0.07%
SPAMHAUS PBL DNSBL 30.32% 0.07%
JMF-BLACK DNSBL 27.68% 0.07%
SPAMHAUS DBL URIBL 37.47% 0.11%
URIBL BLACKLIST URIBL 29.26% 0.11%
UCEPROTECT 2 DNSBL 45.37% 0.22%
JMF-WHITE DNSWL 0.65% 0.32%
MAILSPIKE WL DNSWL 4.33% 2.53%
DNSWL NONE DNSWL 1.84% 3.26%
DCC CHECK 66.84% 5.48%

View the data processing guide to learn more.