caching-only DNS and forwarders

[Barry Margolin]

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
*** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.
Please DON'T copy followups to me -- I'll assume it wasn't posted to the group.