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DNS problem?!

By voldar ·
Hi.
Maybe you can help me. My company has a root domain (IP private) and the connection to the internet is established using a linux machine (router). On the linux machine I have NAT and I use masquaraded IP because I want that only some computers to access the Internet. What I am confused of is that if I use the DNS address of my local domain on the client computers with masquaraded IPs they can not access the internet. If I chose the DNS address of the internet provider the internet connection works - but they don't have the domain policies applied. I tried using both DNS addresses (first my local domain, second the internet address) but it does not work either.
What can I do so that computers with masquaraded IP's can access the internet but using my local DNS address?

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DNS problem?!

by voldar In reply to DNS problem?!

Point value changed by question poster.

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DNS problem?!

by ewgny In reply to DNS problem?!

In your local DNS server you need to set up a forwarder, so that names that are not resolved locally, will be forwarded to a DNS server that can resolve (internet queries). In your DNS server set up a forwarder to your ISP's DNS.
You always want your workstations to resolve to your internal DNS since your local DNS holds the service records that they require.

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DNS problem?!

by voldar In reply to DNS problem?!

Poster rated this answer

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DNS problem?!

by voldar In reply to DNS problem?!

Because I have a root domain - I can't established forwarders for that domain!Or am I in a big mistake?!

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DNS problem?!

by OriDjinn In reply to DNS problem?!

Like the guy said before, there is an option in the DNS configuration for forwarders. Just set the IP address of the linux box (or internet IP) on the DNS server as a forwarder for requests. This will resolve any unknown DNS resolutions by forwarding to the IP address specified as the forwarder.

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DNS problem?!

by OriDjinn In reply to DNS problem?!

If you need help establishing a forwarder in Win2k DNS, just email me and I can give you the step by step instructions

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DNS problem?!

by voldar In reply to DNS problem?!

I say again - it's a ROOT DOMAIN!! You can not use forwarders on a ROOT DOMAIN

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DNS problem?!

by OriDjinn In reply to DNS problem?!

First you reject my answer, then you tell me you can't do it in a root domain, then you ask for my help? Not cool.

I am going to help you just because you need it. Forwarders are not the same as a "forward lookup zone". Forwarders are an option you set on the DNS server that encompasses all domains in your DNS server, including the root domains.

1. Open up DNS
2. Right click on your Server name (not the domain name) and select properties
3. Click on the "Forwarders" tab.
4. Check the box for "enable forwarders"
5. Type in the IP address of your external DNS servers (or router).
6. Add as many forwarders as you need, then click on OK
7. Point all your clients DNS to the server, if the server can't resolve the DNS request, it will forward the request on to the other DNS servers you specified.

That?s all there is to it. If you can happen to turn your decision around, please do so.

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DNS problem?!

by voldar In reply to DNS problem?!

Okay ... as I see, nobody uses a ROOT DOMAIN - because I see that nobody knows that ROOT DOMAINS (the first DC into a root domain with private IP addresses)does not have the FORWARDERS tab. I'll close the question ... and thank you all for your responces.

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by voldar In reply to DNS problem?!

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