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 2026-05-18 till 2026-05-24
Below are weekly statistics of accuracy and failure rates for specific blacklists:
| Name | Type | Accuracy | Inaccuracy  |
| DCC | CHECK | 77.79% | 9.24% |
| DNSWL NONE | DNSWL | 0.98% | 2.79% |
| MAILSPIKE WL | DNSWL | 3.88% | 1.65% |
| URIBL BLACKLIST | URIBL | 31.82% | 0.18% |
| DRONEBL | DNSBL | 7.54% | 0.16% |
| SPAMHAUS DBL | URIBL | 31.71% | 0.14% |
| JMF-WHITE | DNSWL | 1.79% | 0.1% |
| UCEPROTECT 3 | DNSBL | 32.13% | 0.09% |
| JIPPG | DNSBL | 6.3% | 0% |
| SPAMHAUS PBL | DNSBL | 26.55% | 0% |
| SURBL COMBINED | URIBL | 39.77% | 0% |
| SPAM EATING MONKEY - URI FRESH 10 | URIBL | 2.58% | 0% |
| COMPOSITE BLOCKING LIST | DNSBL | 33.88% | 0% |
| SPAM EATING MONKEY - BLACK | DNSBL | 15.6% | 0% |
| SPAMHAUS ZEN | DNSBL | 69.52% | 0% |
| SPAM EATING MONKEY - URI FRESH | URIBL | 2.58% | 0% |
| MAILSPIKE BL | DNSBL | 44.94% | 0% |
| SPAMRATS ALL | DNSBL | 44.32% | 0% |
| SPAMHAUS XBL | DNSBL | 33.88% | 0% |
| SPAM EATING MONKEY - URI FRESH 15 | URIBL | 2.58% | 0% |
| DNSWL MEDIUM | DNSWL | 2.88% | 0% |
| DNSWL LOW | DNSWL | 0.39% | 0% |
| DNSWL HIGH | DNSWL | 0.23% | 0% |
| GBUDB.COM TRUNCATE | DNSBL | 54.03% | 0% |
| SURBL ABUSE | URIBL | 35.95% | 0% |
| SURBL CRACKED SITES | URIBL | 0% | 0% |
| SURBL MALWARE | URIBL | 0% | 0% |
| SPAMRATS NOPTR | DNSBL | 18.8% | 0% |
| SPAMRATS DYNA | DNSBL | 9.61% | 0% |
| PSBL SURRIEL | DNSBL | 22.52% | 0% |
| SPAMCOP | DNSBL | 41.43% | 0% |
| SPAMHAUS SBL | URIBL | 0.62% | 0% |
| SURBL PHISHING | URIBL | 9.92% | 0% |
| SWINOG DNSRBL | DNSBL | 0% | 0% |
| UNSUBSCRIBE BLACKLIST | DNSBL | 0% | 0% |
| SPAMRATS SPAM | DNSBL | 16.74% | 0% |
| IMP SPAMLIST | DNSBL | 0% | 0% |
| SPAM EATING MONKEY - URI RED | URIBL | 12.19% | 0% |
| SPAM EATING MONKEY - URI BLACK | URIBL | 11.88% | 0% |
| SWINOG URIBL | URIBL | 0% | 0% |
| UCEPROTECT 1 | DNSBL | 26.03% | 0% |
| UCEPROTECT 2 | DNSBL | 40.7% | 0% |
| JMF-BLACK | DNSBL | 44.11% | 0% |