Setting up IIS and DNS for a subdomain.

I would like to set up a sub domain of my site, accessable by not via, what DNS entry's are required and where and also IIS setup required.

Thanks :)
Andrew BarringtonAsked:
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A subdomain is essentially a different website, so you need to create a second website that is associated with a different IP address or which uses the host header (presumably your original site is  Then you need to create a host record (A record) pointing the host name 'secure' at the IP address of your web server.
Andrew BarringtonAuthor Commented:
When i create the A record do I set PTR lookup? i have created the site and on IIS set the host header to and set an a record on which domain?
Yes, it's a good idea to create a corresponding PTR record for each A record.

If you have set hte host header as, you will need to access your site at and not  It will make your life easier if you choose to do so - all you will have to do is create a host record for 'secure' in the DNS zone just like you created a host record for 'www' in the DNS zone.  If you need to use for some reason (and I can't think of one), you will need to create a DNS zone for the domain and create a host record for www (just like you created a www host record in the zone to access and you will have to change the host header to

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Andrew BarringtonAuthor Commented:
thank you humeniuk that worked great :)
Glad to hear it and thanks for the A :)
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Windows Server 2003

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