Linux Hint published a DNS tutorial for beginners.
DNS for Beginners: How DNS Works, Types of DNS Records, & How to Examine DNS Using Dig?
Learning the basics is essential and integral in every skill you wish to master. Thus, this article will help you get familiar with DNS or Domain Name Systems' fundamental concepts to help you understand what DNS is and how it works so you can apply its use to real-life networks.
DNS for Beginners: How DNS Works, Types of DNS Records, & How to Examine DNS Using Dig? – Linux Hint