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

View the data processing guide to learn more.