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Windows Server Forum / Windows 2000 / DNS / March 2006Public and Private DNS Issue
I am a consultant with a client who has DNS setup a zone setup internally with the same name as the public DNS, thecomapanyname.com. The DNS server is on a Windows 2003 server Integrated with AD. This server also has a public Web site on it. All workstations are set with a primary DNS for the Windows 2003. The DNS server is setup with forwards to the ISP Nameservers. I just promoted a second server and setup a second AD integrated DNS server which appears to have replicated DNS as is should. Besides the obvious that DNS originally was not setup correctly which I had nothing to do; I have two questions: 1. Normally the users resolve thecompanyname.com with the local IP and can bring up the Web site. What would cause the users to suddenly start resolving to the public IP? 2. Is there any documentation someone can point me to which states DNS zones should not be the same private and pubic names? I would like something from Microsoft to show my client. Thanks Charles Do an nslookup and see what server is performing the name resolution. In a Windows domain, ONLY local AD DNS servers are allowed. You can list your on DCs as preferred and aternates, but you should not list your own as preferred and a public as alternate. My first guess is that the clients are resolving the public name from the public DNS server. ...kurt >I am a consultant with a client who has DNS setup a zone setup > internally with the same name as the public DNS, thecomapanyname.com. [quoted text clipped - 15 lines] > Thanks > Charles Kurt, Thanks for your response. I did do an nslookup and it resolved with no errors to the local IP and (I don't know which domain) local nameserver with domain. DHCP is setup to only point DNS to the local DNS servers and only the DNS server has the public as forwards. That is why I don't understand what happen. I'm sure it has something to do with both local and public domain name being the same, but I can't find documentation to verify that. Charles > Do an nslookup and see what server is performing the name resolution. In a > Windows domain, ONLY local AD DNS servers are allowed. You can list your on [quoted text clipped - 23 lines] > > Thanks > > Charles |
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