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DNS in SBS 2008

Posted on 2013-06-17
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Last Modified: 2013-10-16
We use a fixed wireless internet connection at work. We have it connected to a Draytek router into the WAN port. We have an SBS 2008 box that handles the dhcp and dns requests. Something has changed at the isp and now nome of you work stations have internet access. I can ping the dns server from my laptop. If I fix the dns ip address into my laptop I can get access. I think I need to either put a forwarder or a new dns zone into the SBS box. Can someone please help?
Thanks.
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Question by:Todger66
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9l1ves earned 500 total points
ID: 39255390
I have assumed the following in my answer:
1) If you have the SBS server as a DNS server no one can access anything on the internet using a name as opposed to an IP
2) If you put your External ISP DNS into the your computer manually, then you can browse the internet using names.


If the above is true then you need to on your SBS server add a forwarder
Open the DNS snap-in.

In the console tree, click the applicable Domain Name System (DNS) server.

On the Action menu, click Properties.

On the Forwarders tab, click Edit.

Type the IP address of the external dns you want to use as a forwarder, and then click OK.

NB: Make sure All other DNS domains is selected when you doing the above.

Once the above is done. Open CMD and do a nslookup and confirm that you can resolve an address for any website address.
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by:Todger66
ID: 39288878
Hi Mate,

Thanks for that.

1) If you have the SBS server as a DNS server no one can access anything on the internet using a name as opposed to an IP - This is correct.

2) If you put your External ISP DNS into the your computer manually, then you can browse the internet using names. Also correct.

I have a forwarder setup in the dns with the external dns of the ISP.

I am having issues sending email at the moment.

They can send email to a domain that is hosted on Google Apps but not to another domain.

The isp changed their dns recently that bought about this issue. They tell me the dns is now the same as their gateway address.

In the Exchange Queue I get error 451 4.4.0 DNS Query Failed.

Cheers.
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Author Comment

by:Todger66
ID: 39288919
Also I have just run ipconfig .all and noted the DNS entry is recorded an an IPv6 address along with the ip address of the router.

Cheers.
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