DNS Setup problem

Discussion in 'Software' started by Koga73, Jan 3, 2012.

  1. Koga73


    Jan 3, 2012
    Likes Received:
    I've been working on setting up a server at home and am running into some issues resolving DNS for my site. Im running windows server 2008 and have a split DNS setup. I have a DrayTek Vigor 2920n with 5 static IPs.

    Network config:
    - Internal Domain Controller
    - External Domain Controller
    - Read-Only external Domain Controller in DMZ on IP #2
    - IIS Web Server on IP #3 with port forwarding for 80/443

    All is working except DNS resolution.
    intodns.com reports that my RODC on IP #2 didn't respond (contains DNS entries for ns1 and ns2 for mydomain.com). I can ping IP #2 succesfully. If I get on the RODC VM I can ping out but can't browse (at first I couldn't even ping out but enabling recursion on the external DC fixed that). It seems strange that I can ping but not browse. If I take the RODC out of the DMZ I am able to browse. I suspect that when browsing in the DMZ perhaps the identified IP is IP #1 instead of IP #2 and the response is not able to find its way back? I'm really at a loss as to what could be going on.

    All help is appriciated!
    Koga73, Jan 3, 2012
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