Simple question about zone and CNAME
Sam Wilson
Sam.Wilson at ed.ac.uk
Mon Apr 8 13:45:26 UTC 2013
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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