Steps to install DNS in Windows Server 2012

1. 1 ) Install the DNS Server Role on Windows Server 2012.

2. 2 ) Start Server Manager, click the Manage menu, and then select Add Roles and Features.

2.1. Click Next on the Add Roles and Features Wizard Before you begin window that pops up.

3. 5) This is the final confirmation screen before installation completes. You can check the box to Restart the destination server automatically, if you like. Installing the DNS Server does not require a restart, but unless you've planned for the downtime, keep that box unchecked, just in case.

3.1. The DNS Server role should now be installed on your server. There should be a new DNS Role tile in your Server Manager.

4. 2 )