Vodafone New Zealand will start blocking external access to the recursive DNS servers of the former TelstraClear network to non-customers as of July 3rd 2014.
Some of our former customers or other users with Vodafone modems may have the IP addresses of our DNS servers set up on their devices. With that in mind, we'd like to notify you that from midnight 01 July 2014 we will stop providing DNS resolution for external non-Vodafone users, resulting in such customers being unable to browse the internet.
The affected DNS servers are at the following IP addresses:
Vodafone is not the first ISP to do this (Orcon is another recent one).