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In this course, take an hour to explore DNS and its details.

5 videos  //  51 minutes of training

Free training week — 600+ on-demand courses and hands-on labs

Course description

DNS, or Domain Name System, provides a hierarchical namespace for host-to-IP resolution and management. In this course, you’ll take a deeper look at configuring DNS, configuring Route 53 (which provides DNS services), configuring Access Control Lists (ACLs) and the use of flow logs.

Course syllabus

DNSDuration: 14:31

As you begin to explore DNS in AWS, it is important to first grasp what DNS is and how it works. In this episode, you will explore the basic operations and capabilities of DNS, including name resolution and DNS services.

Configuring DNS LabDuration: 6:56

In this episode, you will see how the DNS options are configured within AWS. With this understanding, you will be able to plan well for DNS and DHCP in your AWS solution designs.

Configuring Route 53 LabDuration: 13:05

Do you need to manage DNS solutions within your AWS cloud? If so, Route 53 is the tool you will use. This episode explores the capabilities and features of Route 53.

Configuring ACLs and NACLs LabDuration: 9:24

Knowing how something is implemented is important to design well for it. In this episode, you will see how ACLs and NACLs are implemented within AWS.

Flow LogsDuration: 6:57

If you need to log network traffic through your AWS solution, you should explore flow logs. Flow logs allow you to monitor network traffic and, with CloudWath, receive alerts related to traffic conditions. This episode introduces the implementation and use of flow logs.

Meet the author

Tom Carpenter


Tom Carpenter is a 25+ year veteran of the IT industry. He started in entry-level systems support and quickly moved into the role of a systems analyst and network engineer. He founded the technical content development and training company SysEdCo in 1997, which he continues to operate. Having written more than 20 books for the IT industry, he brings a wealth of experience to any topic and holds many certifications from both vendors and vendor-neutral certification organizations. He is also the head of certification development for the CWNP program and heavily involved in objectives development and exam creation within the certification industry. Tom uses AWS to run several business websites as well as test labs used for content creation and management. According to Tom, "AWS is everything I did in the 90s, and more, in the cloud!” Tom lives in Ohio with his lovely wife Julie and enjoys anything related to technology, learning and human potential.

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