Lab
A Cloud Guru

Querying DNS Client Configuration from the Command Line

Knowing how to locate DNS information, and how to perform queries using the configured DNS host (as well as other hosts), is a useful skill. In this hands-on lab, we’ll verify the network DNS configuration settings and perform several DNS queries.

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Path Info

Level

Beginner

Duration

45m

Published

Jul 17, 2019

Challenge

Determine the Configured DNS Host

Determine the Configured DNS Host by checking the /etc/resolv.conf file.
Challenge

Perform a DNS Lookup on www.acloudguru.com Using the Configured DNS Host

Utilize the host and dig commands to query www.acloudguru.com and observe the results.
Challenge

Perform a DNS Lookup of www.acloudguru.com Using Another DNS Host

Utilize the host and dig commands to query www.acloudguru.com utilizing another DNS host and observe the results. Note: The DNS host for CloudFlare (1.1.1.1) was used as an example, but you can also use Google DNS (8.8.8.8 or 8.8.4.4).
Challenge

Test Connectivity to www.acloudguru.com

Utilize the ping and curl commands to test connectivity to www.acloudguru.com and observe the results.

Author

A Cloud Guru

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

What's a lab?

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.