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 2026-04-06 till 2026-04-12
Below are weekly statistics of accuracy and failure rates for specific blacklists:
| Name | Type | Accuracy | Inaccuracy  |
| IMP SPAMLIST | DNSBL | 0% | 0% |
| JMF-BLACK | DNSBL | 39.03% | 0% |
| SPAMRATS SPAM | DNSBL | 17.83% | 0% |
| UNSUBSCRIBE BLACKLIST | DNSBL | 0% | 0% |
| SPAM EATING MONKEY - URI BLACK | URIBL | 12.55% | 0% |
| SPAM EATING MONKEY - URI RED | URIBL | 13.82% | 0% |
| SPAM EATING MONKEY - URI FRESH 15 | URIBL | 4.01% | 0% |
| SPAM EATING MONKEY - URI FRESH 10 | URIBL | 3.06% | 0% |
| JIPPG | DNSBL | 6.43% | 0% |
| DNSWL MEDIUM | DNSWL | 3.32% | 0% |
| SPAM EATING MONKEY - BLACK | DNSBL | 15.08% | 0% |
| DNSWL LOW | DNSWL | 0.26% | 0% |
| SURBL COMBINED | URIBL | 49.47% | 0% |
| DNSWL HIGH | DNSWL | 0.02% | 0% |
| SPAM EATING MONKEY - URI FRESH | URIBL | 2.74% | 0% |
| SPAMRATS DYNA | DNSBL | 8.12% | 0% |
| SPAMRATS NOPTR | DNSBL | 19.09% | 0% |
| SPAMCOP | DNSBL | 38.71% | 0% |
| SPAMRATS ALL | DNSBL | 44.62% | 0% |
| PSBL SURRIEL | DNSBL | 23.31% | 0% |
| SURBL ABUSE | URIBL | 43.04% | 0% |
| SURBL CRACKED SITES | URIBL | 0% | 0% |
| MAILSPIKE BL | DNSBL | 36.6% | 0% |
| SWINOG URIBL | URIBL | 0% | 0% |
| SWINOG DNSRBL | DNSBL | 0% | 0% |
| SURBL MALWARE | URIBL | 0% | 0% |
| SURBL PHISHING | URIBL | 17.62% | 0% |
| SPAMHAUS ZEN | DNSBL | 53.8% | 0.02% |
| DRONEBL | DNSBL | 10.13% | 0.02% |
| SPAMHAUS XBL | DNSBL | 31.65% | 0.02% |
| GBUDB.COM TRUNCATE | DNSBL | 42.93% | 0.02% |
| UCEPROTECT 1 | DNSBL | 37.13% | 0.02% |
| COMPOSITE BLOCKING LIST | DNSBL | 31.65% | 0.02% |
| SPAMHAUS PBL | DNSBL | 25.32% | 0.02% |
| SPAMHAUS SBL | URIBL | 0.63% | 0.07% |
| SPAMHAUS DBL | URIBL | 35.97% | 0.07% |
| JMF-WHITE | DNSWL | 2.21% | 0.21% |
| URIBL BLACKLIST | URIBL | 34.7% | 0.32% |
| UCEPROTECT 3 | DNSBL | 32.49% | 1.93% |
| MAILSPIKE WL | DNSWL | 4.27% | 2% |
| UCEPROTECT 2 | DNSBL | 44.41% | 2.14% |
| DNSWL NONE | DNSWL | 0.51% | 4.64% |
| DCC | CHECK | 78.48% | 7.64% |