Handling subdomain ?

[Mark.Andrews at nominum.com]

It doesn't matter what was given.  Your description was wrong. You over
qualified it.

Mark

> 
> A non-record-owning, non-subdomain QNAME was stipulated. Thus QNAME doesn't m
> atch
> any label -- even a non-terminal one -- and the algorithm falls through Steps
>  3(a)
> and 3(b).
> 
> 
> - Kevin
> 
> Mark.Andrews at nominum.com wrote:
> 
> >         Section 4.3.2, Step 3(a) applies first.
> >
> >         "a. If the whole of QNAME is matched, we have found the
> >             node.
> >
> >             If the data at the node is a CNAME, and QTYPE doesn't
> >             match CNAME, copy the CNAME RR into the answer section
> >             of the response, change QNAME to the canonical name in
> >             the CNAME RR, and go back to step 1.
> >
> >             Otherwise, copy all RRs which match QTYPE into the
> >             answer section and go to step 6."
> >
> >         Note:
> >         1. this is independent of type.
> >         2. "all RRs which match type" may be zero.
> >
> >         Mark
> > >
> > > Huh? RFC 1034, Section 4.3.2, Step 3(c):
> > >
> > >
> > > > [...]
> > > >
> > > > If the "*" label does exist, match RRs at that node
> > > >             against QTYPE.
> > > >
> > >                ^^^^^^^^^^^^^
> > >
> > > >   If any match, copy them into the answer
> > > >             section, but set the owner of the RR to be QNAME, and
> > > >             not the node with the "*" label.  Go to step 6.
> > > >
> > >
> > >
> > > - Kevin
> > >
> > >
> > > Mark.Andrews at nominum.com wrote:
> > >
> > > > >
> > > > > Sure, just put a wildcard ("*") entry into the something.dk zone. Thi
> s wi
> > > ldca
> > > > > rd
> > > > > record will be matched by any name in the domain which is not a subdo
> main
> > >  and
> > > > > which does not have an explicit record of the same type in the zone.
> > > > >
> > > > >
> > > > > - Kevin
> > > >
> > > >         '*' matches against a name that does not exist.  It is independ
> ent
> > > of
> > > >         the query type.
> > > >
> > > >         Mark
> > > >
> 
> 
> 
> 
> 
--
Mark Andrews, Nominum Inc.
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at nominum.com