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 2026-04-06 till 2026-04-12

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

Name Type Accuracy Inaccuracy
URIBL BLACKLIST URIBL 34.7% 0.32%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
UCEPROTECT 3 DNSBL 32.49% 1.93%
UCEPROTECT 2 DNSBL 44.41% 2.14%
UCEPROTECT 1 DNSBL 37.13% 0.02%
SWINOG URIBL URIBL 0% 0%
SWINOG DNSRBL DNSBL 0% 0%
SURBL PHISHING URIBL 17.62% 0%
SURBL MALWARE URIBL 0% 0%
SURBL CRACKED SITES URIBL 0% 0%
SURBL COMBINED URIBL 49.47% 0%
SURBL ABUSE URIBL 43.04% 0%
SPAMRATS SPAM DNSBL 17.83% 0%
SPAMRATS NOPTR DNSBL 19.09% 0%
SPAMRATS DYNA DNSBL 8.12% 0%
SPAMRATS ALL DNSBL 44.62% 0%
SPAMHAUS ZEN DNSBL 53.8% 0.02%
SPAMHAUS XBL DNSBL 31.65% 0.02%
SPAMHAUS SBL URIBL 0.63% 0.07%
SPAMHAUS PBL DNSBL 25.32% 0.02%
SPAMHAUS DBL URIBL 35.97% 0.07%
SPAMCOP DNSBL 38.71% 0%
SPAM EATING MONKEY - URI RED URIBL 13.82% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 4.01% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 3.06% 0%
SPAM EATING MONKEY - URI FRESH URIBL 2.74% 0%
SPAM EATING MONKEY - URI BLACK URIBL 12.55% 0%
SPAM EATING MONKEY - BLACK DNSBL 15.08% 0%
PSBL SURRIEL DNSBL 23.31% 0%
MAILSPIKE WL DNSWL 4.27% 2%
MAILSPIKE BL DNSBL 36.6% 0%
JMF-WHITE DNSWL 2.21% 0.21%
JMF-BLACK DNSBL 39.03% 0%
JIPPG DNSBL 6.43% 0%
IMP SPAMLIST DNSBL 0% 0%
GBUDB.COM TRUNCATE DNSBL 42.93% 0.02%
DRONEBL DNSBL 10.13% 0.02%
DNSWL NONE DNSWL 0.51% 4.64%
DNSWL MEDIUM DNSWL 3.32% 0%
DNSWL LOW DNSWL 0.26% 0%
DNSWL HIGH DNSWL 0.02% 0%
DCC CHECK 78.48% 7.64%
COMPOSITE BLOCKING LIST DNSBL 31.65% 0.02%

View the data processing guide to learn more.