Deep Dive: Domain Name Service (DNS)

It is extremely important to understand DNS if you are in IT. This course is a beginner level course that teaches you about the Domain Name Service (DNS) to the packet level.
Course info
Rating
(50)
Level
Beginner
Updated
March 17, 2017
Duration
2h 7m
Table of contents
Description
Course info
Rating
(50)
Level
Beginner
Updated
March 17, 2017
Duration
2h 7m
Description

Understanding the Domain Name Service or DNS is imperative in IT today. Knowing what is supposed to happen when connecting to web sites and various services throughout your network relies heavily on DNS. In this course, Deep Dive: Domain Name Service (DNS), you'll learn about DNS query and responses at the packet level. Second, you'll learn all about how DNS referrals work, learning about when one DNS server refers to another for information. Finally, you'll learn how to troubleshoot DNS using log files, command line utilities, and how to capture data packets using Wireshark. By the end of this course, you'll have a firm grasp of DNS and be able to master the packet level.

About the author
About the author

For almost 30 years, Rhonda has helped people securely deploy, protect, and streamline their IT resources.

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Transcript
Transcript

Hi everyone, my name is Rhonda Layfield and welcome to my course DNS-Deep-Dive I am an Independent contractor, I’ve been in IT for almost 35 years and one topic everyone needs to know is DNS – the topic of this course.

In this course, we are going to Some of the major topics that we will cover include:

  1. Learn DNS at the packet level
  2. Starting out with a simple DNS query and response you will ease into using Wireshark, one of the most technical tools in existence. You will learn not only DNS but how to use Wireshark.
  3. DNS forwarders, conditional forwarders and root hints which takes us to authoritative vs non-authoritative responses.
  4. Zone types, resource records and zone transfers
Before beginning the course you should be familiar with basic TCP/IP. I hope you’ll join me on this journey to learn DNS with the [dns-deep-dive] course, at Pluralsight.