2 new Windows 2003 Servers need FQDN - How to setup

I have two fresh windows 2003 servers setup each with its own line (IP), and firewall. I need to set these up so they have a Fully Qualified Domain Name (FQDN). How do i do this?

I will not be running DNS on either box, use a third party company with web panel for tDNS configuration (A, MX records etc).

SQL Server is installed on each box that i will be mirroring to each other so i need FQDN for access.

I named one PROD1 and the other SEC1. Do i need to forward its IP in our DNS manager to the computername.domainname.com? I own a few domains that i can use for each box, or i can use sub-domains (prod1.domainname.com to public IP xxx.xxx.xxx.xx1 and sec1.domainname.com to public ip xxx.xxx.xxx.xx2)

Sorry if i am graspoing, i am new to this and have a major $$ outlay to get this up and running of course in a short period of time.

Winston SmithDeveloperAsked:
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If this is for external users to access, then you have to use the third party external DNS manager.

Internally you need an internal DNS.
Winston SmithDeveloperAuthor Commented:
I will have no internal users connecting to these boxes so do i still need internal dns? IP will work fine for access internally i would imagine.

So i setup each as a domain controller? How should i name the domains?
Go to System Properities, Computer Name tab, click Change, on the Computer Name Changes box - click More, In the Primary DNS Suffix of this computer add the the rest of the FQN you wnat to use (i.e. internal.com) so the FQDN would be server.internal.com.

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Winston SmithDeveloperAuthor Commented:
That is exactly what i was looking for. No need for domain controllers or any of the other junk i was looking into. Cheers!! Thanks!
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Windows Server 2003

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