August 2022
Beginner
606 pages
11h 20m
English
Content preview from Learn Wireshark - Second Edition
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Chapter 13: Diving into DNS
The Domain Name System (DNS) converts a human-readable hostname into an Internet Protocol (IP) address. It is one of the most common application layer protocols in use today and is essential to any network. In this chapter, we'll review the purpose of DNS along with a brief history so that you can better understand how it all began. We'll then cover the different types of servers, such as root, authoritative, and recursive. Additionally, we'll compare how DNS records are transported when resolving an IP address versus updating the zone file.
To get a better understanding of this protocol, we'll review some of the common types and classes of Resource Records (RRs). We'll also examine the DNS packet structure by drilling ...
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