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 |
Blacklists performance from 2026-05-11 till 2026-05-17
Below are weekly statistics of accuracy and failure rates for specific blacklists:
| Name | Type | Accuracy  |
Inaccuracy |
| DCC | CHECK | 79.83% | 9.63% |
| SPAMHAUS ZEN | DNSBL | 70.11% | 0.02% |
| GBUDB.COM TRUNCATE | DNSBL | 50.36% | 0.02% |
| SPAMCOP | DNSBL | 47.47% | 0% |
| SPAMRATS ALL | DNSBL | 44.88% | 0% |
| UCEPROTECT 3 | DNSBL | 44.47% | 0% |
| MAILSPIKE BL | DNSBL | 44.26% | 0.02% |
| UCEPROTECT 2 | DNSBL | 43.85% | 0.02% |
| JMF-BLACK | DNSBL | 35.16% | 0.02% |
| SURBL COMBINED | URIBL | 34.33% | 0.02% |
| SPAMHAUS XBL | DNSBL | 33.2% | 0.02% |
| COMPOSITE BLOCKING LIST | DNSBL | 33.2% | 0.02% |
| URIBL BLACKLIST | URIBL | 31.85% | 0.07% |
| SURBL ABUSE | URIBL | 31.54% | 0.02% |
| UCEPROTECT 1 | DNSBL | 31.54% | 0% |
| SPAMHAUS DBL | URIBL | 29.68% | 0% |
| SPAMHAUS PBL | DNSBL | 28.02% | 0.02% |
| SPAMRATS NOPTR | DNSBL | 25.23% | 0% |
| PSBL SURRIEL | DNSBL | 24.2% | 0% |
| SPAM EATING MONKEY - BLACK | DNSBL | 19.96% | 0% |
| SPAM EATING MONKEY - URI RED | URIBL | 13.44% | 0.47% |
| SPAM EATING MONKEY - URI BLACK | URIBL | 13.34% | 0.47% |
| SPAMRATS SPAM | DNSBL | 12.31% | 0% |
| SURBL PHISHING | URIBL | 9.41% | 0% |
| DRONEBL | DNSBL | 8.07% | 0.05% |
| JIPPG | DNSBL | 7.96% | 0% |
| SPAMRATS DYNA | DNSBL | 7.96% | 0% |
| SPAM EATING MONKEY - URI FRESH 15 | URIBL | 6.62% | 0.07% |
| MAILSPIKE WL | DNSWL | 3.86% | 1.34% |
| DNSWL MEDIUM | DNSWL | 3.34% | 0% |
| SPAM EATING MONKEY - URI FRESH 10 | URIBL | 3% | 0.07% |
| SPAM EATING MONKEY - URI FRESH | URIBL | 2.59% | 0.07% |
| JMF-WHITE | DNSWL | 1.36% | 0.41% |
| DNSWL NONE | DNSWL | 0.89% | 2.9% |
| DNSWL LOW | DNSWL | 0.37% | 0% |
| SURBL CRACKED SITES | URIBL | 0.1% | 0% |
| DNSWL HIGH | DNSWL | 0.02% | 0% |
| IMP SPAMLIST | DNSBL | 0% | 0% |
| SPAMHAUS SBL | URIBL | 0% | 0% |
| SWINOG URIBL | URIBL | 0% | 0% |
| UNSUBSCRIBE BLACKLIST | DNSBL | 0% | 0% |
| SWINOG DNSRBL | DNSBL | 0% | 0% |
| SURBL MALWARE | URIBL | 0% | 0% |