DNS

DNS

Instructor: Packt - Course Instructors

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9 modules

Gain insight into a topic and learn the fundamentals.

Intermediate level

Recommended experience

18 hours to complete

3 weeks at 6 hours a week

Flexible schedule

Learn at your own pace

9 modules

Gain insight into a topic and learn the fundamentals.

Intermediate level

Recommended experience

18 hours to complete

3 weeks at 6 hours a week

Flexible schedule

Learn at your own pace

What you'll learn

Learn how to effectively use DNS utilities like nslookup, dig, and dnswalk to troubleshoot DNS issues.
Gain practical skills in configuring DNS records, including A, AAAA, CNAME, and SRV records.
Understand the process of purchasing, transferring, and managing domains and configuring associated DNS records.
Acquire expertise in configuring DNSSEC to secure DNS zones and prevent vulnerabilities.

Skills you'll gain

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There are 9 modules in this course

This course features Coursera Coach!

A smarter way to learn with interactive, real-time conversations that help you test your knowledge, challenge assumptions, and deepen your understanding as you progress through the course. In this comprehensive DNS course, you'll master essential utilities like nslookup, dig, and dnswalk to troubleshoot and maintain DNS systems. You'll also gain a solid understanding of various DNS records, including A, AAAA, CNAME, PTR, and SRV, and how each type contributes to network infrastructure. The course covers configuring email services with MX and SPF records, along with domain management, purchasing, transferring, and securing DNS zones using DNSSEC. The course goes further into the installation and configuration of DNS servers such as Microsoft DNS, BIND, and Unbound. You'll also learn how to configure DNS server replication for improved fault tolerance and system efficiency, ensuring a resilient and optimized DNS infrastructure. By the end of this course, you'll have the practical skills to confidently configure and troubleshoot DNS systems. Whether you're an IT professional, system administrator, or network engineer, you'll be well-equipped to manage and secure DNS services with expertise and precision.

In this module, we will explore essential DNS utilities such as nslookup, dig, dnswalk, and dnsrecon. We will provide an in-depth look at how these tools can be used for querying DNS servers, debugging zones, and ensuring the health of your DNS infrastructure. You'll gain the skills to leverage these utilities for efficient DNS management.

What's included

3 videos

In this module, we will examine various DNS host records, such as A, AAAA, CNAME, and PTR, and their roles in mapping hostnames to IP addresses. We will also delve into SRV records, exploring their use in locating services within a network. Through practical demonstrations, you’ll learn how to configure and manage these critical records.

What's included

2 videos1 assignment1 plugin

In this module, we will focus on email-related DNS configurations, beginning with Mail Exchanger (MX) records and their critical role in routing emails. We’ll also cover SPF records, outlining how to set them up to ensure secure and authenticated email sending practices. Practical examples will guide you through the process of email configuration.

What's included

2 videos1 assignment1 plugin

In this module, we will cover the essentials of managing public domains, from purchasing a domain to configuring essential records and switching name servers. You’ll also learn how to securely transfer a domain between registrars, ensuring that best practices and protocols are followed.

What's included

3 videos1 assignment1 plugin

In this module, we will dive into securing DNS zones using DNSSEC on an NSD server. You’ll learn how to generate DNSSEC keys and configure DNSSEC records to ensure your DNS zones are protected against attacks. This section will guide you through every step of securing your DNS infrastructure.

What's included

2 videos1 assignment1 plugin

In this module, we will focus on the installation and configuration of NSD, a DNS server widely used in technologies like DNSSEC. You’ll learn how to configure DNS zones, set up record types, and ensure reliable zone replication between primary and secondary servers for improved redundancy.

What's included

4 videos1 assignment1 plugin

In this module, we will guide you through setting up a Microsoft DNS server, configuring DNS zones and records, and establishing zone replication for fault tolerance. You’ll gain hands-on experience in managing DNS in a Windows Server environment, ensuring scalability and availability.

What's included

3 videos1 assignment1 plugin

In this module, we will explore how to install and configure the BIND DNS server. Through practical exercises, you'll learn how to create DNS zones, including both forward and reverse lookup zones, and set up zone replication to ensure synchronization between master and slave DNS servers.

What's included

4 videos1 assignment1 plugin

In this module, we will introduce you to the Unbound DNS server, a faster alternative to other DNS servers. You’ll learn how to install Unbound, configure it to optimize DNS performance, and integrate it with BIND and NSD for a comprehensive DNS solution. Additionally, we’ll show you how to use Unbound to block ads and enhance user experience.

What's included

5 videos3 assignments

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Instructor

Packt - Course Instructors

Packt

756 Courses157,214 learners

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Packt

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Frequently asked questions

Yes, you can preview the first video and view the syllabus before you enroll. You must purchase the course to access content not included in the preview.

If you decide to enroll in the course before the session start date, you will have access to all of the lecture videos and readings for the course. You’ll be able to submit assignments once the session starts.

Once you enroll and your session begins, you will have access to all videos and other resources, including reading items and the course discussion forum. You’ll be able to view and submit practice assessments, and complete required graded assignments to earn a grade and a Course Certificate.