Sounds like you have a DNS cache problem.
Try
 ipconfig -flushdns
Kent

> Hi all. I've got a problem with a Windows XP machine, running IE6. All
> current service packs are installed.
>
> As of, well, today, IE will assume certain domain names to have a certain IP
> address - 24.226.1.207 (a cable modem address). After some time, it seems
> almost any URL entered will result in IE trying to contact that host.
>
> NSLOOKUP from the command prompt still queries the domain name server as it
> should, and entering an IP address into IE causes it to bring up the proper
> site.
>
> I've run the most LiveUpdated Norton on the machine, and nothing. Also, I've
> tried running SFC (there's no repair command for IE alone)  and a bunch of
> reboots - has anyone heard of a problem like this before?
>
> Thanks,
>
> -Randy Glenn
>
> Death to HTML Mail.
> =================================================
>     PICxpert@cogeco.ca - PICxpert@yahoo.com
>            http://picxpert.dyndns.org
>     Not that the site works yet, of course...
> =================================================
>
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http://www.piclist.com hint: The list server can filter out subtopics
(like ads or off topics) for you. See http://www.piclist.com/#topics