Changes

Describe how Develop the procedure to set up (setup, configure) , and test a secondary DNS serverfor your domain. You already have your Primary DNS server for your domain up and running on VM1. Your secondary DNS server must conform to the following operation pollicy:* It should set answers to queries for resource that have no matching record to be valid for 30 minutes.* If it fails to retrieve an update from the primary server, it should try again every 10 minutes. * If it can not contact the master for more than 12 hours, it should no longer consider the data it holds to be valid.* If it is not informed of update by the primary for more than 3 hours, it should contact the primary to determine if there are updates. You may have to mentioned the changes that need to be make on the Primary DNS server to support the proper operation of the secondary DNS server.