You can try changing the DNS server you're trying resolving from.
change the nameserver entries in your /etc/resolve.conf to something
else like
nameserver 128.101.101.101 # UMN DNS server
nameserver 209.98.98.98 # visi.com DNS

On Tue, 26 Oct 2004 12:19:01 -0500 (CDT), Chris Schumann
<cschumann at twp-llc.com> wrote:
> Hey all,
> 
> I've got a RH9 box (I know), and am using Pine and Sendmail... most of the
> time. There's a set of domains (itasca.net) that I cannot send e-mail to.
> 
> I get messages that DNS has timed out.
> 
> I have root capability on my box, but I suspect my upstream DNS provider
> is the real problem.
> 
> Anyone got some tips for me? Where to start investigating?
> 
> Many thanks,
> Chris Schumann
> 
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