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

2025-10-21

Removed the no longer operational WPBL and CBLCN lists
» More news

Blacklists performance from 2025-12-29 till 2026-01-04

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

Name Type Accuracy Inaccuracy
COMPOSITE BLOCKING LIST DNSBL 41.67% 0%
DCC CHECK 75.38% 6.77%
DNSWL HIGH DNSWL 0.19% 0%
DNSWL LOW DNSWL 0.05% 0%
DNSWL MEDIUM DNSWL 4.15% 0%
DNSWL NONE DNSWL 0.52% 2.08%
DRONEBL DNSBL 17.61% 0.05%
GBUDB.COM TRUNCATE DNSBL 51.14% 0%
IMP SPAMLIST DNSBL 0% 0%
JIPPG DNSBL 11.55% 0%
JMF-BLACK DNSBL 26.52% 0%
JMF-WHITE DNSWL 2.81% 0.38%
MAILSPIKE BL DNSBL 52.08% 0%
MAILSPIKE WL DNSWL 5.01% 1.52%
PSBL SURRIEL DNSBL 17.23% 0%
SPAM EATING MONKEY - BLACK DNSBL 15.34% 0%
SPAM EATING MONKEY - URI BLACK URIBL 4.73% 0.14%
SPAM EATING MONKEY - URI FRESH URIBL 1.52% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 1.52% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 1.52% 0%
SPAM EATING MONKEY - URI RED URIBL 5.68% 0.14%
SPAMCOP DNSBL 53.6% 0%
SPAMHAUS DBL URIBL 28.41% 0.57%
SPAMHAUS PBL DNSBL 52.08% 0%
SPAMHAUS SBL URIBL 1.52% 0%
SPAMHAUS XBL DNSBL 41.67% 0%
SPAMHAUS ZEN DNSBL 67.05% 0%
SPAMRATS ALL DNSBL 51.7% 0%
SPAMRATS DYNA DNSBL 5.3% 0%
SPAMRATS NOPTR DNSBL 35.04% 0%
SPAMRATS SPAM DNSBL 12.88% 0%
SURBL ABUSE URIBL 43.75% 0.05%
SURBL COMBINED URIBL 44.7% 0.05%
SURBL CRACKED SITES URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 17.99% 0%
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
UCEPROTECT 1 DNSBL 34.85% 0%
UCEPROTECT 2 DNSBL 58.9% 0%
UCEPROTECT 3 DNSBL 39.2% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
URIBL BLACKLIST URIBL 26.89% 0%

View the data processing guide to learn more.