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 2026-03-09 till 2026-03-15
Below are weekly statistics of accuracy and failure rates for specific blacklists:
| Name | Type | Accuracy | Inaccuracy ![]() |
| COMPOSITE BLOCKING LIST | DNSBL | 28.35% | 0% |
| SPAM EATING MONKEY - BLACK | DNSBL | 16.84% | 0% |
| SURBL COMBINED | URIBL | 54.43% | 0% |
| IMP SPAMLIST | DNSBL | 0% | 0% |
| UNSUBSCRIBE BLACKLIST | DNSBL | 0% | 0% |
| SPAMRATS SPAM | DNSBL | 17.34% | 0% |
| JIPPG | DNSBL | 6.71% | 0% |
| SPAMHAUS PBL | DNSBL | 35.7% | 0% |
| MAILSPIKE BL | DNSBL | 47.85% | 0% |
| SPAMRATS ALL | DNSBL | 47.09% | 0% |
| SPAMHAUS XBL | DNSBL | 28.35% | 0% |
| SPAMHAUS ZEN | DNSBL | 55.32% | 0% |
| DNSWL HIGH | DNSWL | 0.02% | 0% |
| SPAM EATING MONKEY - URI BLACK | URIBL | 7.59% | 0% |
| GBUDB.COM TRUNCATE | DNSBL | 56.46% | 0% |
| SURBL CRACKED SITES | URIBL | 0% | 0% |
| SURBL MALWARE | URIBL | 0% | 0% |
| SPAMRATS NOPTR | DNSBL | 25.06% | 0% |
| SPAMRATS DYNA | DNSBL | 6.2% | 0% |
| PSBL SURRIEL | DNSBL | 25.95% | 0% |
| SPAMCOP | DNSBL | 48.86% | 0% |
| SURBL PHISHING | URIBL | 18.1% | 0% |
| SURBL ABUSE | URIBL | 50% | 0% |
| SWINOG DNSRBL | DNSBL | 0% | 0% |
| SWINOG URIBL | URIBL | 0% | 0% |
| SPAM EATING MONKEY - URI RED | URIBL | 7.59% | 0.02% |
| SPAMHAUS DBL | URIBL | 39.24% | 0.02% |
| UCEPROTECT 1 | DNSBL | 31.39% | 0.02% |
| JMF-BLACK | DNSBL | 36.33% | 0.02% |
| UCEPROTECT 2 | DNSBL | 53.29% | 0.02% |
| SPAMHAUS SBL | URIBL | 0.51% | 0.02% |
| DRONEBL | DNSBL | 16.46% | 0.1% |
| UCEPROTECT 3 | DNSBL | 39.87% | 0.12% |
| DNSWL LOW | DNSWL | 0.24% | 0.13% |
| DNSWL MEDIUM | DNSWL | 1.61% | 0.13% |
| URIBL BLACKLIST | URIBL | 27.34% | 0.18% |
| JMF-WHITE | DNSWL | 0.79% | 0.25% |
| SPAM EATING MONKEY - URI FRESH 10 | URIBL | 3.29% | 0.45% |
| SPAM EATING MONKEY - URI FRESH | URIBL | 2.66% | 0.45% |
| SPAM EATING MONKEY - URI FRESH 15 | URIBL | 4.3% | 0.45% |
| MAILSPIKE WL | DNSWL | 3.07% | 2.28% |
| DNSWL NONE | DNSWL | 1.22% | 4.68% |
| DCC | CHECK | 77.47% | 13.66% |
