[dns-operations] Where to find "DNS resolution path corruption"?

[Stephane Bortzmeyer]

On Tue, Feb 19, 2008 at 08:18:57AM +0000,
 Paul Ferguson <fergdawg at netzero.net> wrote 
 a message of 38 lines which said:

> Actually, not "just" a Windows issue.
> 
> Increasingly, malicious "software: is also victimizing Mac OS X
> users, too.

How can you change the DNS resolver on Mac OS X? You need to be root,
no?