> From: Mark Andrews <ma...@isc.org>
> Or one can use TSIG with a well known key to get a cryptograph hash of the 
> response.  Below is how
> how the servers for the Alexa to 1 Million handle unexpected TSIG.  It’s well 
> under a day to add
> this to a recursive server that supports TSIG already.  It’s a couple of 
> minutes of configuration
> time to add it to a authoritative server that supports TSIG already.

Do you mean adding new method like DNS Cookies ?

I have a question.

If a resolver want to take measures,
does the resolver configure TSIG to communicate all authoritative servers ?

--
Kazunori Fujiwara, JPRS <fujiw...@jprs.co.jp>

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