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 2025-08-04 till 2025-08-10

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 16.98% 0%
DCC CHECK 67.69% 2.9%
DNSWL HIGH DNSWL 0.2% 0.11%
DNSWL LOW DNSWL 15.6% 0%
DNSWL MEDIUM DNSWL 41.19% 0%
DNSWL NONE DNSWL 2.67% 3.29%
DRONEBL DNSBL 4.82% 0.04%
GBUDB.COM TRUNCATE DNSBL 51.92% 0%
IMP SPAMLIST DNSBL 0% 0%
JIPPG DNSBL 2.96% 0%
JMF-BLACK DNSBL 38.66% 0%
JMF-WHITE DNSWL 0.76% 0.44%
MAILSPIKE BL DNSBL 44.03% 0%
MAILSPIKE WL DNSWL 2.19% 1.97%
PSBL SURRIEL DNSBL 26.73% 0%
SPAM EATING MONKEY - BLACK DNSBL 13.91% 0%
SPAM EATING MONKEY - URI BLACK URIBL 1.64% 0%
SPAM EATING MONKEY - URI FRESH URIBL 3.18% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 4.6% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 5.15% 0%
SPAM EATING MONKEY - URI RED URIBL 1.64% 0%
SPAMCOP DNSBL 40.2% 0%
SPAMHAUS DBL URIBL 35.71% 0%
SPAMHAUS PBL DNSBL 30.56% 0%
SPAMHAUS SBL URIBL 0.44% 0%
SPAMHAUS XBL DNSBL 16.98% 0%
SPAMHAUS ZEN DNSBL 38.99% 0%
SPAMRATS ALL DNSBL 40.96% 0%
SPAMRATS DYNA DNSBL 8.21% 0%
SPAMRATS NOPTR DNSBL 15.66% 0%
SPAMRATS SPAM DNSBL 18.18% 0%
SURBL ABUSE URIBL 51.92% 0.04%
SURBL COMBINED URIBL 62.76% 0.04%
SURBL CRACKED SITES URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 27.49% 0%
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
UCEPROTECT 1 DNSBL 31.33% 0%
UCEPROTECT 2 DNSBL 58.49% 0%
UCEPROTECT 3 DNSBL 40.09% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
URIBL BLACKLIST URIBL 32.2% 0.2%
WPBL DNSBL 0% 0%

View the data processing guide to learn more.