[November 27, 2019 – UPDATE]

The nsZone RBLs have now been removed from our system:

[February 22, 2016]

SpamHaus warns its users of these RBLs as being fake, stealing their data and charging users for delistings.

You can read the full article here, on the SpamHaus website: https://www.spamhaus.org/organization/statement/8/

Although we cannot confirm if this is true or false, for the time being we are still keeping these 3 RBLs among the blacklists that our system checks IPs on, with a warning for our users leading to this announcement.

More info on this RBL can be found in our documentation:

It will be up to you to decide whether to ignore this RBL or take its data seriously.

Here’s how you can ignore any RBLs: