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

2024-06-10

We thank the SORBS team for their service and have removed the defunct lists.
» More news

Blacklists performance from 2025-01-06 till 2025-01-12

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

Name Type Accuracy Inaccuracy
CBLCN PLUS DNSBL 0% 0%
COMPOSITE BLOCKING LIST DNSBL 54.69% 0%
DCC CHECK 74.75% 2.9%
DNSWL HIGH DNSWL 0.43% 0%
DNSWL LOW DNSWL 0.27% 0.08%
DNSWL MEDIUM DNSWL 75.24% 0%
DNSWL NONE DNSWL 0.79% 3.25%
DRONEBL DNSBL 3.25% 0%
GBUDB.COM TRUNCATE DNSBL 71.96% 0%
IMP SPAMLIST DNSBL 0% 0%
IX HASH CHECK 8.6% 0%
JIPPG DNSBL 33.46% 0%
JMF-BLACK DNSBL 29.36% 0.03%
JMF-WHITE DNSWL 0.35% 0.23%
MAILSPIKE BL DNSBL 49.11% 0%
MAILSPIKE WL DNSWL 1.6% 0.85%
NIX SPAM DNSBL 32.22% 0%
PSBL SURRIEL DNSBL 46.09% 0%
SPAM EATING MONKEY - BLACK DNSBL 7.2% 0%
SPAM EATING MONKEY - URI BLACK URIBL 1.86% 0%
SPAM EATING MONKEY - URI FRESH URIBL 1.32% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 1.55% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 1.86% 0%
SPAM EATING MONKEY - URI RED URIBL 2.48% 0%
SPAMCOP DNSBL 59.49% 0.03%
SPAMHAUS DBL URIBL 11.15% 0%
SPAMHAUS PBL DNSBL 42.37% 0%
SPAMHAUS SBL URIBL 0.08% 0%
SPAMHAUS XBL DNSBL 54.69% 0%
SPAMHAUS ZEN DNSBL 66.38% 0%
SPAMRATS ALL DNSBL 67.93% 0%
SPAMRATS DYNA DNSBL 20.84% 0%
SPAMRATS NOPTR DNSBL 35.24% 0%
SPAMRATS SPAM DNSBL 43.84% 0%
SURBL ABUSE URIBL 33.08% 0.05%
SURBL COMBINED URIBL 36.87% 0.05%
SURBL CRACKED SITES URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 24.32% 0%
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
UCEPROTECT 1 DNSBL 59.72% 0.03%
UCEPROTECT 2 DNSBL 71.03% 0.03%
UCEPROTECT 3 DNSBL 49.34% 0.27%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
URIBL BLACKLIST URIBL 35.79% 0%
WPBL DNSBL 0% 0%

View the data processing guide to learn more.