What you'll learn

setup your own DNS servers.
understand how the DNS protocol works.

Course content

6 sections • 21 lectures • 1h 5m total length

Welcome!1:28
Introduction2:20
I will explain the background of the protocol. How it is used and som key characteristics of DNS.
DNS components1:32
DNS is divided in three components: The name space, clients and servers. I explain how they relate to each otuer.

Domain hierarchy4:25
Everything about the domains. From the root zone to TLD:s, second and third level domains and so on.
Clarifications on the terms "zone", "domain" and zone file0:39
Record types3:08
DNS consists of many record types. Some more common than others. I explain most of them.
Packet format3:51
To understand how DNS communicates it is good to know the simplicity of the protocol.
The resolution process5:27
What happens when your computer needs to resolve a hostname? In this lecture I walk You thru the process.
Internet Top Level Domains0:41
DNS server roles2:39
I explain the difference between authoritative and resolving DNS servers.
Root servers1:05
Extra information and background about the root servers.

Zone file walkthrough6:21
We will go through the structure of a live zone file to understund how it is built.
Bind walkthrough11:51
In this lecture I will show you a setup of one of my zones in a dual bind-configuration. The lecture includes how bind is configured, how updates are done and commonly mistakes that should be avoided.
bind delegations2:11
In this lecture I explain (after request from students) how delegations work and how to configure bind to delegate a sub-zone.

Requirements

Basic knowledge of IP and networking in general is good.

Description

Course last updated 2016-03-15, see update log below!

Now more than 1100 enrolled users and average rating of 4.7 (out of 5)!

In this course You will learn anything about DNS - Domain Name System. Topic include:

The different components of DNS and how they cooperate.
How the domain hierarchy is structured in different levels.
What different types of information is stored in DNS.
How a DNS query and response works.
How the information is stored in zone files.
Recursive queries, the role of a local resolver.
How to use the tool dig for testing and troubleshooting DNS in various ways..
We will start with the basics and build ourself up to advanced sections. Starting with the domain hierarchy, how the protocol works and continue into dig, zone transfers and best practices for DNS setup with bind.

Remember! 30 days money-back guarantee with no questions asked. I want you to be satisfied with my course. No Happy - No Pay!

Also, please take advantage of the free previews to see way you will get.

After finishing this course you will feel confident and have full knowledge of all aspects of DNS! You will feel confident in how to setup, manage and troubleshoot DNS.

Updates:

2016-01-19 Added text lecture about DNSSec and IPv6
2016-01-19 Added a lecture that shows a bind installation in action
2016-01-24 Added lecture about zone delegations in bind
2016-02-01 Added lecture about DNS spoofing
2016-02-03 Added bonus lecture at the end of the course.
2016-03-15 Added text lecture about top level domains.

Who this course is for:

IT professionals

What you'll learn

Explore related topics

Course content

Introduction and overview3 lectures • 5min

Bits and pieces8 lectures • 22min

About availablie tools4 lectures • 7min

DNS in practice3 lectures • 20min

DNS Security2 lectures • 11min

Wrap up1 lecture • 1min

Requirements

Description

Who this course is for: