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North American Network Operators Group

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Re: What *are* they smoking?

  • From: Tomas Lund
  • Date: Mon Sep 15 21:16:34 2003

On Mon, 15 Sep 2003, Chris Adams wrote:

> It appears that the most reliable way to detect a wildcard response for
> 'somedomain.tld' is to query for '*.tld'; if the results match, then
> 'somedomain.tld' doesn't really exist.

Just make up a number of fake domains and resolve them. If they return the
same answer, thats the answer to change back into NXDOMAIN.

//tlund




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