General DNS questions
Mark.Andrews at nominum.com
Mark.Andrews at nominum.com
Mon May 21 05:09:33 UTC 2001
> I hope this won't be considered too newbie.
>
> q1: Can a dns plain host's resolver (not a name server) ask for an
> iterative query at all or does it ALWAYS count on the server to do it?
> How wide is the usage of such hosts in the real world?
Full service resolvers are uncommon.
>
> q2: A name server is supposed to track down an answer itself and not be askin
> g
> other name servers recursive queries. Is it applicable to define a name
> server as non-recursive for hosts (and name servers) located outside the
> autonomous system?
Yes, this is done all the time.
>
> q3: When will a resolver ask for more then one query in the same packet?
In general never. The error space is not well defined.
>
> Many thanks,
> Hank
>
--
Mark Andrews, Nominum Inc.
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: Mark.Andrews at nominum.com
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