Learn about the Domain Name System

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DNS Fundamentals

This course will introduce you to the basics of the Domain Name System (DNS). Topics include  the different components of the DNS, resource records, processes such as DNS delegations, resolution, and caching, and the importance of avoiding security risks associated with DNS behavior. 

Registrant Essentials

This course aims to educate both actual domain name holders (registrants) and the broader end-user community about the rights and responsibilities of registrants. 

Root Server Essentials

This course will explain a vital part of the Internet infrastructure – root servers – and their role in the DNS resolution process.

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