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2 domains, dns entry to resolve exchange server

I've got an Exchange server in it's own domain. I've just recently built a new domain which I'm using as my main server/domain. The problem I'm having is that the main server dns is not resolving the exchange server for the clients. They're being forced out to the ISP and back in, which ends up not working.

If I've got olddomain.com (with the email server) and newdomain.com (main dns server) how can I add an entry to newdomain.com to resolve the email server without forwarding the request out to the ISP?
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hullc65203
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hullc65203
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humeniukCommented:
Your DNS server can provide name resolution for multiple domains.  This should work if you add the Exchange Server's domain to the network DNS server.  What platform & version are you using for your DNS server?  Since you have an Exchange Server, I presume it's a version of Windows.
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humeniukCommented:
Here's an example of how to add olddomain.com to the newdomain.com DNS server (Windows 2000 Server):

In your DNS controls (Control Panel -> Administrative Tools -> DNS), under the appropriate server, right-click Forward Lookup Zones and select New Zone.  This will launch the New Zone Wizard.  Input the appropriate info and when the zone is created, right click the zone to add new DNS records as required.  A Host record for the Exchange Server and an MX (Mail Exchanger) record are probably all you need.

I hope this is what you were looking for.  If not, please clarify.
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hullc65203Author Commented:
Someone else suggested setting up IP forwarders which cleared up the problem.

Thanks!
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humeniukCommented:
Glad to hear you're up and running.
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