How to use dig with an ip list

[Paul Schmehl]

I know I'm missing the obvious.  I want to use an IP list to generate an 
ip+hostname list.  IOW, I want to go from this:

x.x.x.x
y.y.y.y

to this;

x.x.x.x foo.domain.tld
y.y..y.y bar.domain.tld

What's the best/easiest way to do this?

Paul Schmehl (pauls at utdallas.edu)
Senior Information Security Analyst
The University of Texas at Dallas
http://www.utdallas.edu/ir/security/