DNS TXT field usage ?

[nanog-post at rsuc.gweep.net (Joe Provo)]

On Sun, Mar 28, 2010 at 02:04:39PM +0200, jul wrote:
> Hello,
> 
> While watching some parked domains, I recently observed one which has a
> TXT field containing some crypto value, something like a ssh key/RSA 512
> or 1024 output (only the crypto part 'cvxvcvcxvcxv=' ).

If the TXT data is a large wodge which changes, and/or there are 
fluctuating interesting labels within the zone, then it isn't parked 
but is being used for IP-over-DNS tunneling.

Cheers,

Joe

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