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→Investigation 1: Primary Name Server
==Purpose==
In this lab, you are going to build a primary name server for your assigned DNS domain using the BIND package on your VM1 running CentOS 7. A primary name server does not depend upon having access to other name servers in order to function.
Once you have your primary name server running, use you will use command line DNS client tool(s) to test the correctness of your Primary DNS server.
Then you will configure both zones to support dynamic updates. Dynamic DNS accepts updates from the command line utility “nsupdate”. This lab does not configure the DNS server to use secure channel for the updates.
**directory: /var/named
**allow-query: any
**recursion: noyes, but only for your machines and the recursive query should be sent to your host machine.
**dnssec-enable: yes
**dnssec-validation: no
