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