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 2026-04-27 till 2026-05-03
Below are weekly statistics of accuracy and failure rates for specific blacklists:
| Name | Type | Accuracy | Inaccuracy  |
| DCC | CHECK | 82.69% | 11.12% |
| UCEPROTECT 3 | DNSBL | 39.65% | 4.65% |
| UCEPROTECT 2 | DNSBL | 35.69% | 3.06% |
| DNSWL NONE | DNSWL | 0.95% | 2.61% |
| MAILSPIKE WL | DNSWL | 4.89% | 1.74% |
| SPAM EATING MONKEY - URI RED | URIBL | 16.15% | 0.69% |
| SPAM EATING MONKEY - URI BLACK | URIBL | 15.67% | 0.64% |
| JMF-WHITE | DNSWL | 2.06% | 0.39% |
| DRONEBL | DNSBL | 11.9% | 0.33% |
| URIBL BLACKLIST | URIBL | 32.98% | 0.16% |
| DNSWL MEDIUM | DNSWL | 3.65% | 0.1% |
| SPAM EATING MONKEY - URI FRESH 15 | URIBL | 3.58% | 0.07% |
| SPAMHAUS DBL | URIBL | 28.24% | 0.07% |
| SPAM EATING MONKEY - URI FRESH 10 | URIBL | 3.48% | 0.07% |
| SPAMHAUS SBL | URIBL | 0.87% | 0.04% |
| JMF-BLACK | DNSBL | 34.82% | 0.04% |
| SURBL ABUSE | URIBL | 33.95% | 0.04% |
| SURBL COMBINED | URIBL | 35.69% | 0.04% |
| SPAM EATING MONKEY - URI FRESH | URIBL | 3.48% | 0.04% |
| SPAMHAUS PBL | DNSBL | 22.05% | 0% |
| DNSWL HIGH | DNSWL | 0.24% | 0% |
| SPAMHAUS ZEN | DNSBL | 64.89% | 0% |
| SPAMRATS ALL | DNSBL | 42.65% | 0% |
| MAILSPIKE BL | DNSBL | 39.85% | 0% |
| SPAMHAUS XBL | DNSBL | 39.36% | 0% |
| JIPPG | DNSBL | 10.44% | 0% |
| DNSWL LOW | DNSWL | 0.35% | 0% |
| GBUDB.COM TRUNCATE | DNSBL | 47.87% | 0% |
| SURBL CRACKED SITES | URIBL | 0% | 0% |
| SURBL MALWARE | URIBL | 0% | 0% |
| SPAMRATS NOPTR | DNSBL | 21.76% | 0% |
| SPAMRATS DYNA | DNSBL | 8.41% | 0% |
| PSBL SURRIEL | DNSBL | 16.83% | 0% |
| SPAMCOP | DNSBL | 39.07% | 0% |
| SURBL PHISHING | URIBL | 12.09% | 0% |
| SWINOG DNSRBL | DNSBL | 0% | 0% |
| IMP SPAMLIST | DNSBL | 0% | 0% |
| COMPOSITE BLOCKING LIST | DNSBL | 39.36% | 0% |
| SPAMRATS SPAM | DNSBL | 12.86% | 0% |
| UNSUBSCRIBE BLACKLIST | DNSBL | 0% | 0% |
| SWINOG URIBL | URIBL | 0% | 0% |
| UCEPROTECT 1 | DNSBL | 26.5% | 0% |
| SPAM EATING MONKEY - BLACK | DNSBL | 13.44% | 0% |