Server 2012 DNS Server

     I have a small network set up using Windows Server 2012. I have a Comcast Business Internet connection. The ISP comes into a wireless Linksys router which is currently handling the DHCP. I have one physical server and 2 Hyper-V server 2012 set up. One of the vm machines is my DC. I have assigned static ips to all machines. I had some trouble getting the other two machines to join the domain until I pointed them to the DC for DNS. This cleared up that issue but then none of the machines could get to the internet until I put a secondary DNS entry to a public DNS server. What am I missing here? Shouldn't the DNS run through the DC and resolve names to the internet?

Thank you
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Shamil MohamedIT Infrastructure Engineer/IT Systems ManagerCommented:
make sure dns forwarding is enabled in dns public dns servers.. I am not an expert.. just a suggestion for tra and error method..

That is correct that the DC should be used for DNS. Did you configure any DNS forwarders on the DC?
daskas27Author Commented:
DNS forwarders? No, I am not familiar.
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The purpose of them is for when your DC cannot locate a resource internally, to forward the request to outside DNS servers and see if results come along.

Here's a link with how to do it:
You only need to follow the section called "To configure a DNS server to use forwarders using the Windows interface"

You could use Comcast's DNS servers, but I tend to prefer Google's ( and
daskas27Author Commented:
Isn't this essentially what I am doing by using the as a secondary? Or, if I do that way I would be required to add the secondary on each machine as I add them to the domain?
What this does is that it prevents you from having to continually add an additional DNS server on workstations that you add to the domain. Workstations just need to see the DC. DC's DNS role handles the rest.

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daskas27Author Commented:
Thank you
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