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

View the data processing guide to learn more.