How to configure multiple domains on a single delgation?

[Barry Margolin]

In article <c2ie9l$p5c$1 at sf1.isc.org>, Jim <me at privacy.net> wrote:

> For discussion purposes:
>   1) a.b.c.d/29 classless delegation
>   2) a.b.c.1 is the delegation address (network)
>   3) a.b.c.2 is not assigned or used.
>   4) a.b.c.3 thru a.b.c.6 will be A.domain
>   5) a.b.c.7 will be B.domain
>   6) a.b.c.8 is the broadcast address.
> 
> Does the ISP have to create CNAME records for each domain?
> 
> Or, as the ISP states:
>   We have delegated your addresses to NS.A.domain. If you want to
>   run a second domain, NS.A.domain is the authority for B.domain.
> 
> This does not seem correct to me. a.b.c.1 points to a.b.c.3 as
> A.domain. A.domain cannot reference B.domain in the zone file.
> 
> Creating a nameserver on B.domain will do everything except a
> reverse lookup as there is no glue record between it an ISP.
> 
> Or is my understanding that lacking?

I don't understand your questions at all, because you're confusing many 
terms.  Please re-post with the *actual* addresses you're using, so we 
can query the real DNS servers and see how they're set up.

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***