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 2025-09-08 till 2025-09-14

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

Name Type Accuracy Inaccuracy
SPAM EATING MONKEY - BLACK DNSBL 18.42% 0%
JIPPG DNSBL 2.95% 0%
SPAMHAUS PBL DNSBL 28.42% 0%
COMPOSITE BLOCKING LIST DNSBL 20.32% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 5.89% 0%
SPAMRATS SPAM DNSBL 18.84% 0%
IMP SPAMLIST DNSBL 0% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 6.11% 0%
DNSWL HIGH DNSWL 0.15% 0%
DNSWL MEDIUM DNSWL 42.81% 0%
MAILSPIKE BL DNSBL 52.84% 0%
CBLCN PLUS DNSBL 0% 0%
SPAMRATS ALL DNSBL 43.68% 0%
SPAM EATING MONKEY - URI FRESH URIBL 5.68% 0%
SPAMHAUS DBL URIBL 40.21% 0%
DNSWL LOW DNSWL 0.18% 0%
SPAMHAUS ZEN DNSBL 48% 0%
SPAMHAUS XBL DNSBL 20.32% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
GBUDB.COM TRUNCATE DNSBL 56.21% 0%
SPAM EATING MONKEY - URI RED URIBL 4.63% 0%
SURBL PHISHING URIBL 31.68% 0%
SWINOG DNSRBL DNSBL 0% 0%
SURBL CRACKED SITES URIBL 0% 0%
SPAMRATS NOPTR DNSBL 15.37% 0%
PSBL SURRIEL DNSBL 32% 0%
SPAMHAUS SBL URIBL 0.11% 0%
SPAMRATS DYNA DNSBL 10.63% 0%
SWINOG URIBL URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
URIBL BLACKLIST URIBL 23.05% 0%
WPBL DNSBL 0% 0%
UCEPROTECT 1 DNSBL 35.68% 0%
UCEPROTECT 3 DNSBL 40.63% 0%
UCEPROTECT 2 DNSBL 58.84% 0%
SPAM EATING MONKEY - URI BLACK URIBL 1.05% 0%
SPAMCOP DNSBL 49.58% 0.02%
JMF-BLACK DNSBL 39.05% 0.02%
DRONEBL DNSBL 2.63% 0.07%
SURBL ABUSE URIBL 55.37% 0.07%
SURBL COMBINED URIBL 64.95% 0.07%
JMF-WHITE DNSWL 0.46% 0.42%
MAILSPIKE WL DNSWL 1.89% 1.16%
DNSWL NONE DNSWL 2.05% 2.63%
DCC CHECK 68.42% 4.32%

View the data processing guide to learn more.