Simple question about zone and CNAME

[Phil Mayers]

Sam Wilson <Sam.Wilson at ed.ac.uk> wrote:

>In article <mailman.46.1365189018.20661.bind-users at lists.isc.org>,
> Chris Thompson <cet1 at cam.ac.uk> wrote:
>
>> On Apr 5 2013, John Wobus wrote:
>> 
>> >> DNAME? <runs away, giggling���>
>> >
>> >Or SRV records.  Surely browsers are adding support
>> >in the next day or two?
>> 
>> Come on, April 1 has been over for too long for this.
>> 
>> Incidentally, we have just been asked for an A record for cam.ac.uk
>to
>> duplicate www.cam.ac.uk because, and I quote, "all the publicity
>material
>> sent out by the nominator [for an award for the web site] gave the
>URL
>> as http://cam.ac.uk/ and this has been retweeted around".
>
>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.
>
>Sam

If your AD realm is also called ed.ac.uk then adding an A record will definitely affect things.
-- 
Sent from my phone. Please excuse brevity and typos.