Learning DNS

Cricket Liu, an expert in DNS training, will explain the theory behind the Domain Name System. This course is for absolute beginners, so no prior knowledge of DNS is necessary.
Learn about DNS and how it works. Cricket will then teach you about name servers such as authoritative, primary and secondary, as well forwarders. This tutorial also covers common resource records such as the A, MX, and wildcards. You will also learn about DNS query tools such as nslookup, dig, and advanced topics like NOTIFY, sender policy framework, and other advanced topics.

This computer-based training course will give you a solid understanding about Domain Name Servers as well as resource records once you've completed it.