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 2025-04-14 till 2025-04-20

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 25.15% 0%
DCC CHECK 67.02% 4.38%
DNSWL HIGH DNSWL 0.45% 0%
DNSWL LOW DNSWL 0.11% 0%
DNSWL MEDIUM DNSWL 75.96% 0.6%
DNSWL NONE DNSWL 0.99% 4.82%
DRONEBL DNSBL 1.2% 0%
GBUDB.COM TRUNCATE DNSBL 38.25% 0%
IMP SPAMLIST DNSBL 0% 0%
JIPPG DNSBL 3.16% 0%
JMF-BLACK DNSBL 32.68% 0.03%
JMF-WHITE DNSWL 0.4% 0.3%
MAILSPIKE BL DNSBL 30.27% 0%
MAILSPIKE WL DNSWL 1.44% 1.66%
PSBL SURRIEL DNSBL 27.11% 0.03%
SPAM EATING MONKEY - BLACK DNSBL 12.95% 0%
SPAM EATING MONKEY - URI BLACK URIBL 2.41% 0.03%
SPAM EATING MONKEY - URI FRESH URIBL 4.52% 0.08%
SPAM EATING MONKEY - URI FRESH 10 URIBL 5.12% 0.08%
SPAM EATING MONKEY - URI FRESH 15 URIBL 6.17% 0.08%
SPAM EATING MONKEY - URI RED URIBL 6.02% 0.03%
SPAMCOP DNSBL 27.86% 0%
SPAMHAUS DBL URIBL 41.87% 0.17%
SPAMHAUS PBL DNSBL 28.01% 0%
SPAMHAUS SBL URIBL 0% 0%
SPAMHAUS XBL DNSBL 25.15% 0%
SPAMHAUS ZEN DNSBL 40.21% 0%
SPAMRATS ALL DNSBL 48.34% 0%
SPAMRATS DYNA DNSBL 11.9% 0%
SPAMRATS NOPTR DNSBL 12.5% 0%
SPAMRATS SPAM DNSBL 25% 0%
SURBL ABUSE URIBL 44.58% 0.03%
SURBL COMBINED URIBL 52.86% 0.03%
SURBL CRACKED SITES URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 17.32% 0%
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
UCEPROTECT 1 DNSBL 27.71% 0%
UCEPROTECT 2 DNSBL 42.17% 0.14%
UCEPROTECT 3 DNSBL 34.64% 0.06%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
URIBL BLACKLIST URIBL 28.61% 0.06%
WPBL DNSBL 0% 0%

View the data processing guide to learn more.