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 2026-04-20 till 2026-04-26
Below are weekly statistics of accuracy and failure rates for specific blacklists:
| Name | Type | Accuracy | Inaccuracy  |
| SPAM EATING MONKEY - URI FRESH 10 | URIBL | 2.76% | 0% |
| COMPOSITE BLOCKING LIST | DNSBL | 31.1% | 0% |
| SPAM EATING MONKEY - BLACK | DNSBL | 11.61% | 0% |
| SPAM EATING MONKEY - URI FRESH 15 | URIBL | 3.05% | 0% |
| JMF-BLACK | DNSBL | 30.12% | 0% |
| SPAMRATS SPAM | DNSBL | 18.41% | 0% |
| IMP SPAMLIST | DNSBL | 0% | 0% |
| JIPPG | DNSBL | 5.71% | 0% |
| SPAMHAUS PBL | DNSBL | 28.84% | 0% |
| SPAM EATING MONKEY - URI FRESH | URIBL | 1.57% | 0% |
| MAILSPIKE BL | DNSBL | 35.04% | 0% |
| SPAMRATS ALL | DNSBL | 42.81% | 0% |
| SPAMHAUS XBL | DNSBL | 31.1% | 0% |
| SPAMHAUS ZEN | DNSBL | 59.25% | 0% |
| DNSWL HIGH | DNSWL | 0.19% | 0% |
| DNSWL MEDIUM | DNSWL | 1.96% | 0% |
| UNSUBSCRIBE BLACKLIST | DNSBL | 0% | 0% |
| GBUDB.COM TRUNCATE | DNSBL | 41.14% | 0% |
| SWINOG DNSRBL | DNSBL | 0% | 0% |
| SPAMRATS DYNA | DNSBL | 9.84% | 0% |
| SURBL PHISHING | URIBL | 14.27% | 0% |
| SURBL MALWARE | URIBL | 0% | 0% |
| SURBL CRACKED SITES | URIBL | 0% | 0% |
| SWINOG URIBL | URIBL | 0% | 0% |
| UCEPROTECT 1 | DNSBL | 31.69% | 0% |
| SPAMCOP | DNSBL | 32.48% | 0% |
| SPAMRATS NOPTR | DNSBL | 15.35% | 0% |
| SPAMHAUS SBL | URIBL | 0.69% | 0% |
| PSBL SURRIEL | DNSBL | 21.26% | 0% |
| SPAMHAUS DBL | URIBL | 30.02% | 0.03% |
| SURBL ABUSE | URIBL | 36.02% | 0.03% |
| SURBL COMBINED | URIBL | 41.04% | 0.03% |
| JMF-WHITE | DNSWL | 0.61% | 0.1% |
| DRONEBL | DNSBL | 9.25% | 0.22% |
| DNSWL LOW | DNSWL | 0.61% | 0.3% |
| URIBL BLACKLIST | URIBL | 36.52% | 0.33% |
| UCEPROTECT 3 | DNSBL | 36.12% | 0.47% |
| UCEPROTECT 2 | DNSBL | 42.81% | 1.3% |
| SPAM EATING MONKEY - URI RED | URIBL | 13.29% | 1.49% |
| SPAM EATING MONKEY - URI BLACK | URIBL | 12.11% | 1.49% |
| MAILSPIKE WL | DNSWL | 2.96% | 1.77% |
| DNSWL NONE | DNSWL | 0.8% | 3.94% |
| DCC | CHECK | 77.07% | 5.15% |