How to install, configure, and verify a Caching-only DNS Server and a Forwarding-only DNS Server

This video explains the following topics.
What a caching-only DNS server is.
How to install a caching-only DNS server.
How to configure, test, verify, and manage a caching-only DNS server.
What a forwarding-only DNS server is.
How to install a forwarding -only DNS server.
How to configure, test, verify, and manage a forwarding-only DNS server.
How to debug when the named service does not start
How to use the rndc command
How to view DNS cache data
How to flush DNS cache data
How manage DNS cache data
How to configure the forwarder option in the /etc/named.conf file
How to configure the forward only option in the /etc/named.conf file
How to configure the allow query from option in the /etc/named.conf file
How to configure the allow query on option in the /etc/named.conf file

This video is based on the following tutorials.
How to configure a caching only name server
https://www.computernetworkingnotes.com/linux-tutorials/how-to-configure-a-caching-only-name-server.html
How to configure DNS Forwarding and a forwarder name server
https://www.computernetworkingnotes.com/linux-tutorials/how-to-configure-dns-forwarding-and-a-forwarder-name-server.html

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by ComputerNetworkingNotes

linux dns server