InterServer DNS-based Blackhole List IPv4

The InterServer DNS-based Blackhole List is a spam trap DNSBL. This list does not take spam reports from third-parties. All blocking is done based on email recieved to multiple spam trap email addresses.

After 5 days the ip is delisted. IPs which have been listed more than 4 times in a given month will be listed an additional 30 days.

Are you the maintainer of rbl.interserver.net?

Is the information on our site wrong or incomplete? You don't want us to monitor your blacklist? Or do you operate a similar blacklist? We would like to hear from you!