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 2025-08-04 till 2025-08-10
Below are weekly statistics of accuracy and failure rates for specific blacklists:
| Name | Type | Accuracy  |
Inaccuracy |
| DCC | CHECK | 67.69% | 2.9% |
| SURBL COMBINED | URIBL | 62.76% | 0.04% |
| UCEPROTECT 2 | DNSBL | 58.49% | 0% |
| SURBL ABUSE | URIBL | 51.92% | 0.04% |
| GBUDB.COM TRUNCATE | DNSBL | 51.92% | 0% |
| MAILSPIKE BL | DNSBL | 44.03% | 0% |
| DNSWL MEDIUM | DNSWL | 41.19% | 0% |
| SPAMRATS ALL | DNSBL | 40.96% | 0% |
| SPAMCOP | DNSBL | 40.2% | 0% |
| UCEPROTECT 3 | DNSBL | 40.09% | 0% |
| SPAMHAUS ZEN | DNSBL | 38.99% | 0% |
| JMF-BLACK | DNSBL | 38.66% | 0% |
| SPAMHAUS DBL | URIBL | 35.71% | 0% |
| URIBL BLACKLIST | URIBL | 32.2% | 0.2% |
| UCEPROTECT 1 | DNSBL | 31.33% | 0% |
| SPAMHAUS PBL | DNSBL | 30.56% | 0% |
| SURBL PHISHING | URIBL | 27.49% | 0% |
| PSBL SURRIEL | DNSBL | 26.73% | 0% |
| SPAMRATS SPAM | DNSBL | 18.18% | 0% |
| COMPOSITE BLOCKING LIST | DNSBL | 16.98% | 0% |
| SPAMHAUS XBL | DNSBL | 16.98% | 0% |
| SPAMRATS NOPTR | DNSBL | 15.66% | 0% |
| DNSWL LOW | DNSWL | 15.6% | 0% |
| SPAM EATING MONKEY - BLACK | DNSBL | 13.91% | 0% |
| SPAMRATS DYNA | DNSBL | 8.21% | 0% |
| SPAM EATING MONKEY - URI FRESH 15 | URIBL | 5.15% | 0% |
| DRONEBL | DNSBL | 4.82% | 0.04% |
| SPAM EATING MONKEY - URI FRESH 10 | URIBL | 4.6% | 0% |
| SPAM EATING MONKEY - URI FRESH | URIBL | 3.18% | 0% |
| JIPPG | DNSBL | 2.96% | 0% |
| DNSWL NONE | DNSWL | 2.67% | 3.29% |
| MAILSPIKE WL | DNSWL | 2.19% | 1.97% |
| SPAM EATING MONKEY - URI BLACK | URIBL | 1.64% | 0% |
| SPAM EATING MONKEY - URI RED | URIBL | 1.64% | 0% |
| JMF-WHITE | DNSWL | 0.76% | 0.44% |
| SPAMHAUS SBL | URIBL | 0.44% | 0% |
| DNSWL HIGH | DNSWL | 0.2% | 0.11% |
| SURBL CRACKED SITES | URIBL | 0% | 0% |
| CBLCN PLUS | DNSBL | 0% | 0% |
| SWINOG DNSRBL | DNSBL | 0% | 0% |
| IMP SPAMLIST | DNSBL | 0% | 0% |
| UNSUBSCRIBE BLACKLIST | DNSBL | 0% | 0% |
| WPBL | DNSBL | 0% | 0% |
| SWINOG URIBL | URIBL | 0% | 0% |
| SURBL MALWARE | URIBL | 0% | 0% |