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.
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:
Learn DNS at the packet level
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.
DNS forwarders, conditional forwarders and root hints which takes us to authoritative vs non-authoritative responses.
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.