Yes I have done this
Thanks for your response. Of course I have already done this. I am wondering if the tutorial on "How To Run Your Own DNS Servers (Primary And Secondary) With ISPConfig 3 (Debian Squeeze) "
actually requires you to have two stand-alone servers or two virtual server instances - or is that use of the word "server" referring to something else?
In other words, can that tutorial be sucessfully completed with one (1) un-virtualized server?