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 2025-06-23 till 2025-06-29

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 17.93% 0%
DCC CHECK 86.07% 2.76%
DNSWL HIGH DNSWL 0.38% 0%
DNSWL LOW DNSWL 0.09% 0%
DNSWL MEDIUM DNSWL 75.44% 0%
DNSWL NONE DNSWL 0.79% 0.71%
DRONEBL DNSBL 2.65% 0.03%
GBUDB.COM TRUNCATE DNSBL 23.69% 0.09%
IMP SPAMLIST DNSBL 0% 0%
JIPPG DNSBL 15.52% 0%
JMF-BLACK DNSBL 22.57% 0.03%
JMF-WHITE DNSWL 0.35% 0.35%
MAILSPIKE BL DNSBL 65.31% 0%
MAILSPIKE WL DNSWL 2.02% 1.06%
PSBL SURRIEL DNSBL 54.67% 0%
SPAM EATING MONKEY - BLACK DNSBL 8.41% 0%
SPAM EATING MONKEY - URI BLACK URIBL 1.88% 0%
SPAM EATING MONKEY - URI FRESH URIBL 2.23% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 2.41% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 2.65% 0%
SPAM EATING MONKEY - URI RED URIBL 3.94% 0%
SPAMCOP DNSBL 70.19% 0%
SPAMHAUS DBL URIBL 33.45% 0%
SPAMHAUS PBL DNSBL 62.14% 0%
SPAMHAUS SBL URIBL 0.29% 0.03%
SPAMHAUS XBL DNSBL 17.93% 0%
SPAMHAUS ZEN DNSBL 70.84% 0%
SPAMRATS ALL DNSBL 67.25% 0%
SPAMRATS DYNA DNSBL 7.52% 0%
SPAMRATS NOPTR DNSBL 5.11% 0%
SPAMRATS SPAM DNSBL 55.5% 0%
SURBL ABUSE URIBL 69.96% 0.03%
SURBL COMBINED URIBL 74.96% 0.03%
SURBL CRACKED SITES URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 8% 0%
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
UCEPROTECT 1 DNSBL 22.34% 0%
UCEPROTECT 2 DNSBL 72.6% 0%
UCEPROTECT 3 DNSBL 50.73% 0.03%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
URIBL BLACKLIST URIBL 56.08% 0.09%
WPBL DNSBL 0% 0%

View the data processing guide to learn more.