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DNS zone, AD- namespace conflict?

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derf238

IS-IT--Management
Feb 13, 2004
34
US
An ISP is hosting our email and web page and has registered ourdomian.com. We're installing AD and would like to name the internal AD domain and internal DNS Zone ourdomain.com. Using a firewall and a different ISP for internet access. Any concerns with DNS conflicts or our internal host info being public if we use the same domain name?
Thanks in advance
 
I believe Microsoft recommend not doing this, but we have done so on several occasions with different clients. The only problems we have ever seen are that if you call your AD domain the same as your real domain name, there was a problem accessing the company website (because your dns thinks the website is local) The way round this is to put a CNAME entry in DNS pointing to the ip address of your isp's server hosting your website. Other than that, we've had no problems.
 
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