Delegation - what needs to be there?

[Barry Margolin]

In article <mailman.960.1269635430.21153.bind-users at lists.isc.org>,
 Peter Laws <plaws at ou.edu> wrote:

> Delegating a zone to a server that has views.  Internal view will allow any 
> query.  External view will only allow resolution of the MX record for that 
> zone.  The MX points to hosts in another zone (which is also 
> publicly-accessible).
> 
> When I query from an address that matches the ACL for the external view, I 
> get the MX records back OK, but no A record.

Presumably because you don't allow recursion or query-cache for external 
clients.

> 
> Is that right?
> 
> Would a client just go and try to resolve the name on it's own?

Of course.

> 
> Or do I need to provide glue records in the delegated zone ...  probably 
> not, but thought I'd better ask.

The only time you're required to provide glue is when a subzone is 
delegated to a nameserver whose name is in the subzone, to prevent a 
chicken-and-egg problem.

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE don't copy me on replies, I'll read them in the group ***