DNS - Can a DNS zone share an AD Domain

Posted on 2014-03-17
Last Modified: 2014-03-17

I'm reading some documentation/e-mails from a client that stipulated the following :- is the AD Domain.  This DNS zones for this are and dns zones.  Is this possible ?

I thought that the DNS zone would have to have its own AD Domain ? hasn't been delegated.

Thanks in advance
Question by:nico-
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Expert Comment

ID: 39933609
If has it's own DNS server, you can create a trust relationship between the 2 domains, and after that you can create a secondary dns zone in the domain.
LVL 13

Expert Comment

by:Santosh Gupta
ID: 39933612

What i understand, you have Active directory integrated DNS for and you want a another new Zone for

then yes, it is possible and very simple.

Author Comment

ID: 39933616
Hi Sven

I'm not sure if I explained this very well.  The correspondence I've read and I'm not sure I agree with states

There is only one AD Domain -
It has two DNS zones - and does not have an associated AD Domain.

my question is that - is this possible.  Can a DNS zone exist without an associated AD Domain ?

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Author Comment

ID: 39933617
Hi Sanosh

So you can have a DNS zone without an associated - that is - related AD Domain.? does not have to have a AD domain ?


Author Comment

ID: 39933619
I was reading in Minasi that every AD Domain needed a related DNS zone and assumed that worked in reverse.

Can you point to some articles that show what you mentioned please for my further knowledge and understanding

LVL 13

Accepted Solution

Santosh Gupta earned 500 total points
ID: 39933621
Yes, Go to DNS management console, Right click on server name and select new forward lookup zone and follow the wizard.


if you want to create a Zone for External DNS then, you should set up split DNS (sometimes referred to as split horizon DNS).
 On your internal DNS servers, add the as a new zone.  The new zone should be a primary zone, not a secondary zone because you want the ability for the external and internal zones to contain slightly different records (for some hostnames).

•Add all existing external DNS records on (external) to your (internal zone).  This allows you to resolve all names from inside or outside.

•The internal side can point to your internal IP addresses while the external side can point to your public IP addresses (and in some cases, internal will also point to public IP addresses).

Author Comment

ID: 39933629
so the AD domain looks after and just by adding as a forward lookup zone ? .. this will then be replicated around by the AD Integrated DNS ?
LVL 13

Expert Comment

by:Santosh Gupta
ID: 39933636

In addition, you can create reverse lookup zone as well if you want to resolve IP to host name of

Author Comment

ID: 39933653
Not sure if I need to add another question for this, but this leads me on to thinking about when a user logs into a machine that is in the AD Domain but has its DNS name/ip in the dns zone.  I wonder what the point of this could be?

Author Closing Comment

ID: 39933674
Superbly quick.  And then validated at my end.

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