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 2025-06-30 till 2025-07-06

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 21.78% 0%
DCC CHECK 81.86% 4.48%
DNSWL HIGH DNSWL 0.4% 0%
DNSWL LOW DNSWL 0.06% 0%
DNSWL MEDIUM DNSWL 78.64% 0%
DNSWL NONE DNSWL 0.98% 1.17%
DRONEBL DNSBL 1.31% 0%
GBUDB.COM TRUNCATE DNSBL 31.17% 0%
IMP SPAMLIST DNSBL 0% 0%
JIPPG DNSBL 4.44% 0%
JMF-BLACK DNSBL 25.56% 0.12%
JMF-WHITE DNSWL 0.32% 0.07%
MAILSPIKE BL DNSBL 51.13% 0%
MAILSPIKE WL DNSWL 1.97% 0.66%
PSBL SURRIEL DNSBL 32.05% 0.03%
SPAM EATING MONKEY - BLACK DNSBL 6.77% 0%
SPAM EATING MONKEY - URI BLACK URIBL 1.75% 0%
SPAM EATING MONKEY - URI FRESH URIBL 2.69% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 3.13% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 3.2% 0%
SPAM EATING MONKEY - URI RED URIBL 4.22% 0%
SPAMCOP DNSBL 60.31% 0%
SPAMHAUS DBL URIBL 30.88% 0.03%
SPAMHAUS PBL DNSBL 48.07% 0%
SPAMHAUS SBL URIBL 0% 0.03%
SPAMHAUS XBL DNSBL 21.78% 0%
SPAMHAUS ZEN DNSBL 61.54% 0%
SPAMRATS ALL DNSBL 55.5% 0%
SPAMRATS DYNA DNSBL 5.83% 0%
SPAMRATS NOPTR DNSBL 7.43% 0%
SPAMRATS SPAM DNSBL 43.7% 0%
SURBL ABUSE URIBL 60.67% 0%
SURBL COMBINED URIBL 68.97% 0.06%
SURBL CRACKED SITES URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 13.04% 0.06%
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
UCEPROTECT 1 DNSBL 19.52% 0%
UCEPROTECT 2 DNSBL 60.52% 0.06%
UCEPROTECT 3 DNSBL 32.77% 0.06%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
URIBL BLACKLIST URIBL 40.71% 0.06%
WPBL DNSBL 0% 0%

View the data processing guide to learn more.