DNS forwarding: does it actually work?

[Robert Abbate]

I am basically just desiring to reduce my work load.
Otherwise, I have to update BOTH servers for every
zone file change. Any suggestions?



--- Joseph S D Yao <jsdy at center.osis.gov> wrote:
> On Wed, Mar 17, 2004 at 02:29:19PM -0800, Robert
> wrote:
> > I am trying to get Bind 9.2.1 to FIRST forward
> incoming DNS requests
> > to our primary NameServer before looking it up in
> it's own
> > configuration. Is this possible? I thought it was
> supposed to work
> > something like this, but it does not forward
> requests first...it looks
> > them up directly anyway.
> > 
> > under global options I have:
> > 
> > options {
> >         directory "/var/named";
> >         pid-file "/var/run/named/named.pid";
> >         transfers-in 500;
> >         transfer-format many-answers;
> >         forward first;
> >         forwarders {
> >                 69.56.134.34;
> >                 };
> >         };
> 
> What you want is impossible.  If a server is
> AUTHORITATIVE for a zone,
> that means that it is the FINAL AUTHORITY - and why
> should it ever ask
> anyone else for information on that zone?  You can't
> split up a zone
> and have some of it here and some of it there.  You
> need to have
> different domains, defining different zones.
> 
> What you are saying above is: for all NON-LOCAL
> queries, first try
> forwarding to 69.56.134.34; but if that server is
> not available, then
> use regular DNS.  This is rarely optimal unless you
> incur a low network
> penalty for accessing that one server, but a high
> network penalty for
> accessing anything else [and that server's
> connection is also somehat
> iffy].
> 
> -- 
> Joe Yao				jsdy at center.osis.gov - Joseph S. D. Yao
> OSIS Center Systems Support					EMT-B
>
-----------------------------------------------------------------------
>    This message is not an official statement of OSIS
> Center policies.


__________________________________
Do you Yahoo!?
Yahoo! Mail - More reliable, more storage, less spam
http://mail.yahoo.com