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