Determining if a client PC has an Internet connection

[Cameron Laird]

In article <mailman.3498.1095589265.5135.python-list at python.org>,
Cliff Wells  <clifford.wells at comcast.net> wrote:
>On Sun, 2004-09-19 at 09:03 +0000, Chris S. wrote:
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>So... is there a way of determining the DNS search path of a PC?
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This, like everything else in the current thread, will end up
being more heuristic than definitive; worse, it's OS-specific.
I hope the comp.protocols* experts can answer more precisely
than I.