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 2025-07-07 till 2025-07-13

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

Name Type Accuracy Inaccuracy
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
IMP SPAMLIST DNSBL 0% 0%
WPBL DNSBL 0% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
SURBL MALWARE URIBL 0% 0%
CBLCN PLUS DNSBL 0% 0%
DNSWL LOW DNSWL 0.03% 0.09%
SURBL CRACKED SITES URIBL 0.09% 0%
SPAMHAUS SBL URIBL 0.18% 0.03%
DNSWL HIGH DNSWL 0.23% 0%
DNSWL NONE DNSWL 0.76% 1.58%
JMF-WHITE DNSWL 1.48% 0.09%
SPAM EATING MONKEY - URI BLACK URIBL 2.11% 0%
JIPPG DNSBL 3.34% 0%
MAILSPIKE WL DNSWL 3.37% 1.67%
DRONEBL DNSBL 4.22% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 5.98% 0.03%
SPAM EATING MONKEY - URI FRESH 15 URIBL 5.98% 0.03%
SPAM EATING MONKEY - URI FRESH URIBL 5.98% 0%
SPAM EATING MONKEY - URI RED URIBL 7.47% 0%
SPAMRATS NOPTR DNSBL 9.67% 0%
SPAMRATS DYNA DNSBL 11.34% 0%
SURBL PHISHING URIBL 12.04% 0%
SPAM EATING MONKEY - BLACK DNSBL 15.29% 0%
SPAMHAUS XBL DNSBL 19.33% 0%
COMPOSITE BLOCKING LIST DNSBL 19.33% 0%
PSBL SURRIEL DNSBL 26.63% 0.03%
JMF-BLACK DNSBL 28.3% 0.06%
UCEPROTECT 1 DNSBL 29.88% 0%
UCEPROTECT 3 DNSBL 30.67% 0.09%
SPAMHAUS DBL URIBL 32.6% 0%
SPAMRATS SPAM DNSBL 36.2% 0%
GBUDB.COM TRUNCATE DNSBL 37.87% 0%
URIBL BLACKLIST URIBL 44.02% 0.03%
SPAMHAUS PBL DNSBL 44.73% 0%
SPAMCOP DNSBL 46.92% 0%
MAILSPIKE BL DNSBL 48.59% 0%
SPAMHAUS ZEN DNSBL 51.85% 0%
SURBL ABUSE URIBL 52.02% 0.09%
SPAMRATS ALL DNSBL 56.59% 0%
UCEPROTECT 2 DNSBL 56.94% 0%
SURBL COMBINED URIBL 60.81% 0.09%
DCC CHECK 73.64% 6.63%
DNSWL MEDIUM DNSWL 76.02% 0%

View the data processing guide to learn more.