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 2025-10-13 till 2025-10-19

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

Name Type Accuracy Inaccuracy
SWINOG DNSRBL DNSBL 0% 0%
SURBL MALWARE URIBL 0% 0%
SWINOG URIBL URIBL 0% 0%
WPBL DNSBL 0% 0%
CBLCN PLUS DNSBL 0% 0%
IMP SPAMLIST DNSBL 0% 0%
SURBL CRACKED SITES URIBL 0% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
DNSWL LOW DNSWL 0.08% 0%
DNSWL HIGH DNSWL 0.13% 0%
SPAMHAUS SBL URIBL 0.64% 0%
JMF-WHITE DNSWL 1.07% 0%
DNSWL NONE DNSWL 1.54% 1.91%
SPAM EATING MONKEY - URI FRESH URIBL 2.33% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 2.86% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 2.86% 0%
SPAM EATING MONKEY - URI BLACK URIBL 3.07% 0%
MAILSPIKE WL DNSWL 3.86% 1.48%
SPAM EATING MONKEY - URI RED URIBL 4.87% 0%
SPAMRATS DYNA DNSBL 9.75% 0%
DRONEBL DNSBL 15.68% 0.03%
SPAM EATING MONKEY - BLACK DNSBL 16.1% 0%
SPAMRATS NOPTR DNSBL 21.61% 0%
JIPPG DNSBL 21.93% 0%
SPAMRATS SPAM DNSBL 22.03% 0%
SURBL PHISHING URIBL 22.14% 0%
URIBL BLACKLIST URIBL 24.89% 0.11%
SPAMHAUS PBL DNSBL 28.5% 0%
SPAMHAUS DBL URIBL 31.36% 0.03%
PSBL SURRIEL DNSBL 31.67% 0.03%
SURBL ABUSE URIBL 37.82% 0%
COMPOSITE BLOCKING LIST DNSBL 40.78% 0%
SPAMHAUS XBL DNSBL 40.78% 0%
DNSWL MEDIUM DNSWL 42.64% 0%
JMF-BLACK DNSBL 43.01% 0%
UCEPROTECT 3 DNSBL 43.11% 0%
SURBL COMBINED URIBL 47.03% 0%
UCEPROTECT 1 DNSBL 48.52% 0%
SPAMRATS ALL DNSBL 51.17% 0%
SPAMCOP DNSBL 52.12% 0.05%
SPAMHAUS ZEN DNSBL 54.45% 0%
GBUDB.COM TRUNCATE DNSBL 57.52% 0%
MAILSPIKE BL DNSBL 58.58% 0%
UCEPROTECT 2 DNSBL 58.79% 0%
DCC CHECK 77.33% 5.03%

View the data processing guide to learn more.