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

View the data processing guide to learn more.