[March 16, 2016]

In version 0.9.25 we’re adding the RBL ‘dnsrbl.org’ to our database of blacklists against which our system tests all of your IPs.

If you do not wish to have this RBL active in your account, you can simply ignore it as described in our documentation here:

If you encounter any issues with this RBL please open a support ticket and let us know about it.