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

View the data processing guide to learn more.