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 2025-04-21 till 2025-04-27

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

Name Type Accuracy Inaccuracy
DCC CHECK 65.49% 6.87%
DNSWL NONE DNSWL 0.63% 2.93%
MAILSPIKE WL DNSWL 0.45% 2%
JMF-WHITE DNSWL 0.05% 0.35%
URIBL BLACKLIST URIBL 35.09% 0.11%
UCEPROTECT 2 DNSBL 42.72% 0.03%
DNSWL MEDIUM DNSWL 64.06% 0%
DNSWL HIGH DNSWL 0.16% 0%
SPAMHAUS PBL DNSBL 29.81% 0%
JIPPG DNSBL 5.16% 0%
COMPOSITE BLOCKING LIST DNSBL 22.42% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 4.46% 0%
SPAM EATING MONKEY - BLACK DNSBL 9.39% 0%
SURBL COMBINED URIBL 47.65% 0%
SPAMHAUS XBL DNSBL 22.42% 0%
CBLCN PLUS DNSBL 0% 0%
DRONEBL DNSBL 1.64% 0%
SPAMRATS ALL DNSBL 51.76% 0%
MAILSPIKE BL DNSBL 27.11% 0%
SPAM EATING MONKEY - URI FRESH URIBL 4.23% 0%
SPAMHAUS ZEN DNSBL 44.25% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 4.58% 0%
SPAMHAUS DBL URIBL 36.15% 0%
DNSWL LOW DNSWL 0.11% 0%
GBUDB.COM TRUNCATE DNSBL 40.49% 0%
SURBL ABUSE URIBL 37.68% 0%
SURBL CRACKED SITES URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 24.53% 0%
SPAMRATS NOPTR DNSBL 13.73% 0%
SPAMRATS DYNA DNSBL 13.15% 0%
PSBL SURRIEL DNSBL 21.95% 0%
SPAMCOP DNSBL 25.82% 0%
SPAMHAUS SBL URIBL 0% 0%
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
SPAMRATS SPAM DNSBL 26.53% 0%
IMP SPAMLIST DNSBL 0% 0%
SPAM EATING MONKEY - URI RED URIBL 6.92% 0%
SPAM EATING MONKEY - URI BLACK URIBL 3.64% 0%
UCEPROTECT 1 DNSBL 29.81% 0%
UCEPROTECT 3 DNSBL 34.98% 0%
WPBL DNSBL 0% 0%
JMF-BLACK DNSBL 23.71% 0%

View the data processing guide to learn more.