caching-only DNS and forwarders
barmar at bbnplanet.com
Sat Mar 18 23:35:24 UTC 2000
In article <004d01bf9096$c96e33c0$0301a8c0 at coxnetwork.net>,
Duane Cox <dcox at coxnetwork.com> wrote:
>I thought that I read something about this in DNS & BIND and it stated
>that if the forward query failed from reaching the forwarding server, that
>the local named server would then contact the root servers for the answer..
>and that is setup would NOT be totatly dependent on the ISP servers..
True, you wouldn't be *totally* dependent on them. But you won't go to the
root servers until timing out on them, so failures of the ISP's servers
would result in performance problems.
>but that there was also an option that would make the named server
>FORWARD ONLY and never resolve via a root server... right?
True. It's called "forward only", coincidentally.
Barry Margolin, barmar at bbnplanet.com
GTE Internetworking, Powered by BBN, Burlington, MA
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