sporadic routing to another website when opening a common url

Posted by user226098 on Server Fault See other posts from Server Fault or by user226098
Published on 2014-06-13T06:03:28Z Indexed on 2014/08/25 10:22 UTC
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dns

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routing

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redirect

I have a strange problem in our office:

Sometimes when opening a ~~url from one of our projects~~ random url in any browser not the right website shows up but some other website.

In most of the cases it redirects to google.com with some parameters like https://www.google.de/?gfe_rd=cr&ei=krOOU8_kGcSKswadyYDQBw&gws_rd=ssl or just the ugly google 404 page). But today it remains on the origial url but shows up the the content of http://debug.netdna-cdn.com/.

This happens about 1 time a week and for no apparent reason. ~~Even stranger it only occurs on a single pc in the network.~~ It now happens on two different computers in the network. Both use windows 8.

The problem cannot be fixed by clearing the browser cache but by rebooting the pc or using ipconfig /flushdns. So I think it has something to do with the dns cache of the machine. But I have no idea what the reason is for this and how i can figure out how to solve it.

Any ideas?

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