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