RE: Split-DNS, is it really necessary...for me?

From: "Marvin Cummings" <marvc@xxxxxxxxxxxxx>
To: "'[ISAserver.org Discussion List]'" <isalist@xxxxxxxxxxxxx>
Date: Thu, 29 Jan 2004 17:41:03 -0500
So in adding the appropriate records contained in the public DNS server I
guess I need to add all of the ISP DNS server IP's for the www records on my
internal DNS server? Meaning if I'm using TZO for dynamic service and their
DNS IP's are: 

www - 216.75.195.44

www - 216.55.0.21

etc.

 

I need to add these to the forward lookup zone on my internal AD integrated
DNS server? 

So this would be 2 zones on the one AD server with the following: 

External FLZ: mydomain.com

            www - 216.75.195.44

            www - 216.55.0.21

 

Internal FLZ: mydomain.com

            www - 192.168.1.45

            www - CNAME - mywebserver.corp.mydomain.com

 

If this is true at what point do I add the public IP, which is dynamic? Or
do I even add it? 

 

Sorry to have to take it to such a basic level?

 

Thanks

  _____  

From: John Tolmachoff (Lists) [mailto:johnlist@xxxxxxxxxxxxxxxxxxx] 
Sent: Thursday, January 29, 2004 5:01 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Split-DNS, is it really necessary...for me?

 

http://www.ISAserver.org

Yes, you need to use split DNS.

 

The configuration of the DNS zone for your domain name on the Internet is up
to who is responsible for it. When setting up split DNS, your concern is the
internal DNS server. That server needs to add the appropriate records
contained in the public DNS server, such as www for an externally hosted web
page.

 

John Tolmachoff

Engineer/Consultant/Owner

eServices For You

 

-----Original Message-----
From: Marvin Cummings [mailto:marvc@xxxxxxxxxxxxx] 
Sent: Thursday, January 29, 2004 1:40 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] Split-DNS, is it really necessary...for me?

 

http://www.ISAserver.org

I need to confirm a quick question that I think I already know the answer
to. On a small DSL network running w2k3, tzo, an ad Integrated DNS server
with an internal name of corp.domain.com, and an external web presence of
domain.com, do I need to implement a split-dns setup prior to setting up ISA
2000? The articles says to se split-dns only if the internal and external
domain names are the same but I'm kind of confused on how the DNS server for
the web server would be configured? 

 

Thanks 

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RE: Split-DNS, is it really necessary...for me?

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