DNS issues

Hi all,

Hope this is the correct section, having issues with my DNS.

My first question is can I just run BIND? much more familiar with it.

However if that is not possible, how do I fix this issue:

http://intodns.com/katronixhosting.com

For Domain NS records it lists ns1 as being the old IP, which I'm not sure how to change.

This seems to be an issue at the server level as the registrar information is correct.

Thanks in advance!

Chris