Simple question about zone and CNAME

[Sam Wilson]

In article <mailman.51.1365192701.20661.bind-users at lists.isc.org>,
 Dave Warren <lists at hireahit.com> wrote:

> On 2013-04-05 12:18, Sam Wilson wrote:
> > We're currently prevaricating over putting in an A record for ed.ac.uk.
> > Whilst my colleagues who manage active directory assure me that having
> > an A record there - pointing at the content-managed web server that has
> > difficulty handling arbitrary URLs - won't break anything I'm not going
> > to try it except under very controlled conditions and after I've spoken
> > to a lot of other people who do it already.
> 
> Is ed.ac.uk your Active Directory root as well? If so, my experience is 
> that pointing it at anything but domain controllers will eventually lead 
> you to issues.

It is.  That's the sort of response I was hoping for - thank you.

> It's not to say that this totally forbidden, but there is (was?) 
> Microsoft best practices documents suggesting avoiding this 
> configuration entirely when possible, although there were ways to 
> mitigate most of the negative side effects.

If you know of a reference that would be helpful.

> Obviously if you can run a split DNS environment this is less of a factor.

We don't and we're trying not to have to.

Sam

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