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 2026-01-19 till 2026-01-25
Below are weekly statistics of accuracy and failure rates for specific blacklists:
| Name | Type | Accuracy | Inaccuracy  |
| SPAM EATING MONKEY - URI FRESH 10 | URIBL | 4.06% | 0% |
| SURBL COMBINED | URIBL | 53.72% | 0% |
| COMPOSITE BLOCKING LIST | DNSBL | 36.27% | 0% |
| SPAM EATING MONKEY - URI FRESH 15 | URIBL | 4.6% | 0% |
| JMF-BLACK | DNSBL | 34.1% | 0% |
| UNSUBSCRIBE BLACKLIST | DNSBL | 0% | 0% |
| SPAMRATS SPAM | DNSBL | 14.21% | 0% |
| IMP SPAMLIST | DNSBL | 0% | 0% |
| SPAM EATING MONKEY - BLACK | DNSBL | 17.46% | 0% |
| JIPPG | DNSBL | 7.98% | 0% |
| SPAM EATING MONKEY - URI FRESH | URIBL | 2.98% | 0% |
| MAILSPIKE BL | DNSBL | 52.91% | 0% |
| SPAMRATS ALL | DNSBL | 55.75% | 0% |
| SPAMHAUS XBL | DNSBL | 36.27% | 0% |
| DNSWL LOW | DNSWL | 0.17% | 0% |
| DNSWL HIGH | DNSWL | 0.05% | 0% |
| DNSWL MEDIUM | DNSWL | 1.29% | 0% |
| SPAM EATING MONKEY - URI RED | URIBL | 5.55% | 0% |
| GBUDB.COM TRUNCATE | DNSBL | 53.59% | 0% |
| SURBL CRACKED SITES | URIBL | 0% | 0% |
| SURBL MALWARE | URIBL | 0% | 0% |
| SPAM EATING MONKEY - URI BLACK | URIBL | 3.79% | 0% |
| SPAMRATS NOPTR | DNSBL | 33.15% | 0% |
| SPAMCOP | DNSBL | 51.15% | 0% |
| SPAMRATS DYNA | DNSBL | 11.23% | 0% |
| SURBL PHISHING | URIBL | 26.52% | 0% |
| SURBL ABUSE | URIBL | 45.6% | 0% |
| SWINOG DNSRBL | DNSBL | 0% | 0% |
| UCEPROTECT 3 | DNSBL | 37.62% | 0% |
| SWINOG URIBL | URIBL | 0% | 0% |
| SPAMHAUS ZEN | DNSBL | 57.92% | 0.02% |
| PSBL SURRIEL | DNSBL | 26.25% | 0.02% |
| SPAMHAUS SBL | URIBL | 0% | 0.02% |
| SPAMHAUS PBL | DNSBL | 43.44% | 0.02% |
| UCEPROTECT 1 | DNSBL | 29.23% | 0.02% |
| DRONEBL | DNSBL | 14.75% | 0.05% |
| UCEPROTECT 2 | DNSBL | 55.07% | 0.05% |
| URIBL BLACKLIST | URIBL | 27.88% | 0.05% |
| SPAMHAUS DBL | URIBL | 28.15% | 0.07% |
| JMF-WHITE | DNSWL | 0.31% | 0.54% |
| MAILSPIKE WL | DNSWL | 1.88% | 1.62% |
| DCC | CHECK | 76.45% | 2.62% |
| DNSWL NONE | DNSWL | 0.98% | 3.79% |