Configuring DNS Forwarding Conditional Forwarding

This video will look at how to configure DNS forwarding and conditional forwarding on Windows Servers. Forwarding allows all DNS requests to be forwarded to a particular server and conditional forwarding allows you to configure certain DNS queries to be sent to a particular DNS server.

http://itfreetraining.com/handouts/dns/dnsforwardingdemo.pdf

Demonstration
Setting up forwarding
To change the forwarding settings, open DNS manager. This can be run from the tools menu from server manager or running DNS from administrative tools in the control panel.
The forwarding settings are located in the properties for the DNS server. To access these, right click on the server in DNS manager and select properties. If you do not have your DNS server listed, you will need to add it by right clicking DNS and selecting the option connect to DNS server.
From the properties of the DNS server, select the forwarders tab. On the forwarders tab, press the button edit and then add the addresses of the DNS servers that you want to forward DNS requests to.

Setting up conditional forwarding
To configure conditional forwarders, first open DNS manager from the tools menu in server Manager or run DNS from Administrative tools.
From DNS manager, right click Conditional forwarders and select the option New Conditional Forwarder.
In the New Conditional Forwarder window, enter in the DNS domain that you want to forward DNS requests for and then add the DNS server that can answer DNS requests for that DNS domain.
When you create the conditional forwarder, you also have the option to store that conditional forwarder in Active Directory. If you decide to tick this option, the conditional forwarder configuration can be replicated to all domains in the forest or only to DNS server in the current domain. It should be remembered that only DNS servers that are running on Domain Controllers will be able to access this information if you decide to use this feature.

Clear local cache
If you are having problems resolving an address or it is being resolved to the wrong address, it may be that the local computer has stored the result in the local cache. To remove this information, run the following command.
Ipconfig /flushdns

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References
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Видео Configuring DNS Forwarding Conditional Forwarding канала itfreetraining