[dns-operations] Defining the "be like a root" problem

Paul Hoffman phoffman at proper.com
Fri May 18 16:32:59 UTC 2012


On May 17, 2012, at 8:36 PM, paul vixie wrote:

> let me clarify my own intention. if an rdns operator whose software is
> also capable of slaving a zone wants to slave the root zone in order to
> avoid going upstream to the roots to learn where 'com' is and in order
> to be able to generate authoritative nxdomain responses without a round
> trip, that's both an individual good and a greater good.
> 
> in no case would i advise any form of policy based routing or route
> hijacking or anything else that would cause any dns initiator to end up
> talking to this hybrid rdns+rootslave when they thought they were
> talking to, or were in fact trying to talk to, a root name server.
> 
> it's just a way to hotwire the cache, not to change 'who is a root
> server operator'.

This works for me. Thank you for clarifying.

--Paul Hoffman



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