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Subject: [ActiveDir] DNS Hierarchy Question
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DevinRileyUser is Offline

Posts:0

12/13/2007 11:40 AM  
This is my first time posting to this forum.

I recently moved and started a new job and do not have
access to all of my books. I have a DNS question that I have not been able to
find an answer to.

For our company the public domain looks like “company.com”. There
is no AD domain associated with this domain. Internally, the DNS name of our AD
looks like “corp.company.com”.
So the internal AD domain name is a child or sub domain of our public name.

In my previous experience the public and internal names
spaces were disjointed.

In examining the DNS records at my new job, I find that we
have “corp.company.com”
running as AD integrated zones and it all looks to be configured correctly. But
we also have an AD integrated zone on the same server with our public namespace
on it… company.com. If you
expand this domain there is sub domain called “corp”,
which has only two records in it. The records are A Records for our two domain
controllers.

It looks like the previous admin created the public-domain-name.com
zone and added public DNS records to it so that our internal client could
resolve the addresses of our public servers. This seems to be working. I am concerned
with the “corp” domain being listed under this domain though as it
appears that we have duplicate dns zones listed on the server as a result.

Any input would be appreciated.

CONFIDENTIALITY NOTICE: This message including any attachments are from Northern Inyo Hospital and is intended only for the use of the individual or entity to which it is addressed and may contain information that is privileged, confidential, or protected from use or disclosure by law. If the reader of this message is not the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited. If you received this communication in error, please notify the sender.
amulnickUser is Offline

Posts:143

12/13/2007 12:05 PM  
If you look again, do you see that corp that's listed under company.com domain as greyed out?

What you have is more similar to split-brain dns as long as your external and internal don't talk to each other. As long as you don't try to devolve the request, you likely won't have an issue with the setup you describe. And as long as you do not enable transfers (why bother) between your public and private dns name space hosts, you likely will do just fine in most cases.
Besides, what are the chances you can rename? :)
On Dec 13, 2007 11:40 AM, Devin Riley wrote:

This is my first time posting to this forum.

I recently moved and started a new job and do not have access to all of my books. I have a DNS question that I have not been able to find an answer to.

For our company the public domain looks like "company.com". There is no AD domain associated with this domain. Internally, the DNS name of our AD looks like "
corp.company.com". So the internal AD domain name is a child or sub domain of our public name.

In my previous experience the public and internal names spaces were disjointed.

In examining the DNS records at my new job, I find that we have "corp.company.com" running as AD integrated zones and it all looks to be configured correctly. But we also have an AD integrated zone on the same server with our public namespace on it…
company.com. If you expand this domain there is sub domain called "corp", which has only two records in it. The records are A Records for our two domain controllers.
It looks like the previous admin created the public-domain-name.com zone and added public DNS records to it so that our internal client could resolve the addresses of our public servers. This seems to be working. I am concerned with the "corp" domain being listed under this domain though as it appears that we have duplicate dns zones listed on the server as a result.
Any input would be appreciated.


CONFIDENTIALITY NOTICE: This message including any attachments are from Northern Inyo Hospital and is intended only for the use of the individual or entity to which it is addressed and may contain information that is privileged, confidential, or protected from use or disclosure by law. If the reader of this message is not the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited. If you received this communication in error, please notify the sender.
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Forums >ActiveDir Mail List Archive >List Archives > [ActiveDir] DNS Hierarchy Question



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