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. |
Blacklists performance from 2025-09-08 till 2025-09-14
Below are weekly statistics of accuracy and failure rates for specific blacklists:
Name | Type | Accuracy | Inaccuracy ![]() |
DCC | CHECK | 68.42% | 4.32% |
DNSWL NONE | DNSWL | 2.05% | 2.63% |
MAILSPIKE WL | DNSWL | 1.89% | 1.16% |
JMF-WHITE | DNSWL | 0.46% | 0.42% |
SURBL COMBINED | URIBL | 64.95% | 0.07% |
SURBL ABUSE | URIBL | 55.37% | 0.07% |
DRONEBL | DNSBL | 2.63% | 0.07% |
JMF-BLACK | DNSBL | 39.05% | 0.02% |
SPAMCOP | DNSBL | 49.58% | 0.02% |
DNSWL HIGH | DNSWL | 0.15% | 0% |
SPAMHAUS PBL | DNSBL | 28.42% | 0% |
SPAM EATING MONKEY - BLACK | DNSBL | 18.42% | 0% |
DNSWL MEDIUM | DNSWL | 42.81% | 0% |
COMPOSITE BLOCKING LIST | DNSBL | 20.32% | 0% |
JIPPG | DNSBL | 2.95% | 0% |
SPAMHAUS DBL | URIBL | 40.21% | 0% |
MAILSPIKE BL | DNSBL | 52.84% | 0% |
CBLCN PLUS | DNSBL | 0% | 0% |
SPAMRATS ALL | DNSBL | 43.68% | 0% |
SPAM EATING MONKEY - URI FRESH | URIBL | 5.68% | 0% |
SPAM EATING MONKEY - URI FRESH 10 | URIBL | 5.89% | 0% |
SPAMHAUS ZEN | DNSBL | 48% | 0% |
SPAMHAUS XBL | DNSBL | 20.32% | 0% |
DNSWL LOW | DNSWL | 0.18% | 0% |
GBUDB.COM TRUNCATE | DNSBL | 56.21% | 0% |
SURBL MALWARE | URIBL | 0% | 0% |
SURBL PHISHING | URIBL | 31.68% | 0% |
SWINOG DNSRBL | DNSBL | 0% | 0% |
SWINOG URIBL | URIBL | 0% | 0% |
SURBL CRACKED SITES | URIBL | 0% | 0% |
SPAMRATS NOPTR | DNSBL | 15.37% | 0% |
PSBL SURRIEL | DNSBL | 32% | 0% |
SPAMHAUS SBL | URIBL | 0.11% | 0% |
SPAMRATS DYNA | DNSBL | 10.63% | 0% |
UCEPROTECT 1 | DNSBL | 35.68% | 0% |
UCEPROTECT 2 | DNSBL | 58.84% | 0% |
UNSUBSCRIBE BLACKLIST | DNSBL | 0% | 0% |
SPAMRATS SPAM | DNSBL | 18.84% | 0% |
IMP SPAMLIST | DNSBL | 0% | 0% |
SPAM EATING MONKEY - URI RED | URIBL | 4.63% | 0% |
SPAM EATING MONKEY - URI BLACK | URIBL | 1.05% | 0% |
UCEPROTECT 3 | DNSBL | 40.63% | 0% |
URIBL BLACKLIST | URIBL | 23.05% | 0% |
WPBL | DNSBL | 0% | 0% |
SPAM EATING MONKEY - URI FRESH 15 | URIBL | 6.11% | 0% |