Caching only & parent DNS question.

[Barry Margolin]

In article <8gda72$ga1$1 at fang.dsto.defence.gov.au>,
Greg Robinson  <greg.robinson at dsto.defence.gov.au.NOSPAM> wrote:
>Hi,
>
>Our primary DNS server is moving and we want to replace it with a
>caching only DNS server.
>
>I would like to test this first, before I let the DNS go, and I was
>wondering if this would work:
>
>I create the cache only DNS server and put it's forwarder pointing
>to the new primary DNS server.  Of course I wouldn't be telling the
>parent, as I don't want to change them yet.
>
>Would it work?  I just need a few days to convince myself, or would
>I create a DNS loop of some kind?

It should work, but it will be detected as a lame delegation, because the
server that a domain is delegated to is supposed to answer authoritatively,
and this will answer out of its cache.

-- 
Barry Margolin, barmar at genuity.net
Genuity, 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.