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
| 2025-02-27 |
We thank the Nixspam team for their service and have removed the defunct lists. |
Blacklists performance from 2025-09-01 till 2025-09-07
Below are weekly statistics of accuracy and failure rates for specific blacklists:
| Name | Type | Accuracy | Inaccuracy  |
| DCC | CHECK | 66.77% | 7.05% |
| DNSWL NONE | DNSWL | 2.2% | 3.24% |
| MAILSPIKE WL | DNSWL | 2.4% | 2.53% |
| JMF-WHITE | DNSWL | 0.37% | 0.71% |
| SPAM EATING MONKEY - URI BLACK | URIBL | 3.55% | 0.03% |
| DRONEBL | DNSBL | 3.24% | 0.03% |
| SPAM EATING MONKEY - URI RED | URIBL | 5.78% | 0.03% |
| JIPPG | DNSBL | 3.55% | 0% |
| SPAMHAUS PBL | DNSBL | 26.04% | 0% |
| SPAM EATING MONKEY - BLACK | DNSBL | 19.35% | 0% |
| SURBL COMBINED | URIBL | 65.55% | 0% |
| SPAM EATING MONKEY - URI FRESH 10 | URIBL | 5.67% | 0% |
| DNSWL HIGH | DNSWL | 0% | 0% |
| COMPOSITE BLOCKING LIST | DNSBL | 20.57% | 0% |
| SPAMHAUS XBL | DNSBL | 20.57% | 0% |
| MAILSPIKE BL | DNSBL | 47.21% | 0% |
| CBLCN PLUS | DNSBL | 0% | 0% |
| SPAMRATS ALL | DNSBL | 44.78% | 0% |
| SPAM EATING MONKEY - URI FRESH | URIBL | 4.96% | 0% |
| SPAMHAUS DBL | URIBL | 45.59% | 0% |
| DNSWL LOW | DNSWL | 0.08% | 0% |
| SPAMHAUS ZEN | DNSBL | 43.26% | 0% |
| SPAM EATING MONKEY - URI FRESH 15 | URIBL | 6.89% | 0% |
| DNSWL MEDIUM | DNSWL | 54.37% | 0% |
| GBUDB.COM TRUNCATE | DNSBL | 51.06% | 0% |
| SURBL ABUSE | URIBL | 57.24% | 0% |
| SURBL CRACKED SITES | URIBL | 0% | 0% |
| SURBL MALWARE | URIBL | 0% | 0% |
| SURBL PHISHING | URIBL | 31% | 0% |
| SPAMRATS NOPTR | DNSBL | 14.89% | 0% |
| SPAMRATS DYNA | DNSBL | 8.81% | 0% |
| PSBL SURRIEL | DNSBL | 29.48% | 0% |
| SPAMCOP | DNSBL | 46.5% | 0% |
| SPAMHAUS SBL | URIBL | 0.51% | 0% |
| SWINOG DNSRBL | DNSBL | 0% | 0% |
| SWINOG URIBL | URIBL | 0% | 0% |
| UNSUBSCRIBE BLACKLIST | DNSBL | 0% | 0% |
| SPAMRATS SPAM | DNSBL | 22.19% | 0% |
| IMP SPAMLIST | DNSBL | 0% | 0% |
| WPBL | DNSBL | 0% | 0% |
| URIBL BLACKLIST | URIBL | 35.36% | 0% |
| UCEPROTECT 1 | DNSBL | 28.98% | 0% |
| UCEPROTECT 2 | DNSBL | 48.83% | 0% |
| UCEPROTECT 3 | DNSBL | 31.21% | 0% |
| JMF-BLACK | DNSBL | 33.54% | 0% |