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 2025-07-14 till 2025-07-20
Below are weekly statistics of accuracy and failure rates for specific blacklists:
Name | Type | Accuracy ![]() |
Inaccuracy |
DCC | CHECK | 79.7% | 4.68% |
DNSWL MEDIUM | DNSWL | 70.77% | 0% |
UCEPROTECT 2 | DNSBL | 67% | 0.03% |
SPAMRATS ALL | DNSBL | 59.69% | 0% |
SPAMHAUS ZEN | DNSBL | 58.27% | 0% |
MAILSPIKE BL | DNSBL | 54.15% | 0% |
SPAMCOP | DNSBL | 53.94% | 0% |
SURBL COMBINED | URIBL | 51.1% | 0% |
SPAMRATS SPAM | DNSBL | 47.05% | 0% |
SURBL ABUSE | URIBL | 44.36% | 0% |
SPAMHAUS DBL | URIBL | 43.08% | 0.03% |
UCEPROTECT 3 | DNSBL | 42.09% | 0.37% |
JMF-BLACK | DNSBL | 40.31% | 0.03% |
URIBL BLACKLIST | URIBL | 37.12% | 0.03% |
SPAMHAUS PBL | DNSBL | 34.78% | 0% |
UCEPROTECT 1 | DNSBL | 34.35% | 0.03% |
GBUDB.COM TRUNCATE | DNSBL | 33.22% | 0% |
PSBL SURRIEL | DNSBL | 23.85% | 0% |
SPAMHAUS XBL | DNSBL | 17.39% | 0% |
COMPOSITE BLOCKING LIST | DNSBL | 17.39% | 0% |
SPAM EATING MONKEY - BLACK | DNSBL | 11% | 0% |
SPAMRATS NOPTR | DNSBL | 9.87% | 0% |
SURBL PHISHING | URIBL | 9.79% | 0% |
SPAM EATING MONKEY - URI FRESH 15 | URIBL | 6.74% | 0% |
SPAMRATS DYNA | DNSBL | 6.46% | 0% |
SPAM EATING MONKEY - URI FRESH 10 | URIBL | 6.17% | 0% |
SPAM EATING MONKEY - URI RED | URIBL | 5.32% | 0% |
SPAM EATING MONKEY - URI FRESH | URIBL | 4.9% | 0% |
JIPPG | DNSBL | 3.83% | 0% |
DRONEBL | DNSBL | 3.19% | 0.08% |
SPAM EATING MONKEY - URI BLACK | URIBL | 2.84% | 0% |
MAILSPIKE WL | DNSWL | 2.34% | 1.42% |
DNSWL NONE | DNSWL | 0.96% | 2.2% |
JMF-WHITE | DNSWL | 0.48% | 0.21% |
SURBL CRACKED SITES | URIBL | 0.28% | 0% |
DNSWL HIGH | DNSWL | 0.06% | 0% |
DNSWL LOW | DNSWL | 0.03% | 0% |
SPAMHAUS SBL | URIBL | 0% | 0% |
CBLCN PLUS | DNSBL | 0% | 0% |
SURBL MALWARE | URIBL | 0% | 0% |
UNSUBSCRIBE BLACKLIST | DNSBL | 0% | 0% |
SWINOG URIBL | URIBL | 0% | 0% |
IMP SPAMLIST | DNSBL | 0% | 0% |
SWINOG DNSRBL | DNSBL | 0% | 0% |
WPBL | DNSBL | 0% | 0% |