Help with CName record

[DoahMonty]

Ok, I want to start off by saying I'm not much of a DNS wiz. Recently, I ran into trouble setting up a comcast business class email account in Outlook 2007 (Windows Vista). After some tech support calls to both comcast, and my domain registrar, I'm pretty sure I narrowed the problem down. I'm told Outlook 2007 uses "auto discover", and therefore, you need a CName entry named autodiscover.<my domain name>.com to which resolves to Comcasts exchange server. I can ping the name of the comcast exchange server, but not the Autodiscover.<domain name>.com name. However, I can ping it from any pc outside of my LAN. So, what is it that I have to do to allow my DNS servers resolve my autodiscover Cname record to the comcast exchange server? Note that I have 2 internal DNS servers, but the Cname record I discussed here is the one I created on my domain registrars site.

 

[kmkeshav]

Have you hosted <domain name>.com on your internal DNS servers?

 

[elgrandeperro]

Exactly, if you run a split DNS (your registrar handles external DNS and your servers handle internal) for your domain, you must add the CNAME to your internal record as well.

Like (bind format)

autodiscover IN CNAME exchangeserverwhatever.comcast.net.

 

[DoahMonty]

mmhmm. yea, I kind of figured that was my issue, I just wasn't sure how to add that Cname record to my internal DNS servers. I know where to do it, just wasn't sure about what exactly to put in the properties of it. I ended up figuring it out anyway. I would have posted that it was resolved, but no one had replied to the post until now anyway. thanks guys.