This lab is currently in Beta — content may be updated as we refine the material
LABBEGINNER

DNS Configuration and Management Lab

Master DNS fundamentals through hands-on practice with DNS queries, troubleshooting, and service discovery patterns.

120 minutes
platform-engineering/networking
DNS Configuration and Management Lab - Platform Engineering Hands-On Lab Icon

Lab Overview

In this hands-on lab, you'll master DNS (Domain Name System) configuration and troubleshooting - essential skills for platform engineers managing web applications and services.

You'll use professional DNS tools like dig, nslookup, and host to query DNS records, understand DNS resolution, explore different record types, and learn DNS troubleshooting techniques.

By the end of this lab, you'll understand:

  • DNS record types (A, AAAA, CNAME, MX, TXT, NS) and how to query them
  • DNS query process and resolution hierarchy
  • Local DNS configuration using /etc/hosts
  • TTL and DNS caching behavior
  • DNS troubleshooting with dig +trace and other tools
  • Service discovery patterns for microservices and Kubernetes

Prerequisites

basic networking knowledge

linux command line skills

understanding of IP addresses

Technologies Covered

dnsnetworkingtroubleshootingservice-discovery

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Everything Included in Your Subscription

Content & Learning

  • Access to all courses and bootcamps
  • Video lessons with closed captions
  • Interactive quizzes and assessments
  • Course completion certificates

Hands-On Labs

  • Browser-based cloud labs
  • Pre-configured VMs ready to use
  • Playgrounds for experiments
  • Multi-VM realistic scenarios

AWS Integration

  • Managed AWS Account included
  • Pre-configured environments
  • Real-world cloud scenarios

Support & Community

  • Priority support
  • Active community forum

No Setup Required

  • Everything runs in your browser
  • No software installation needed
  • Automatic environment provisioning
  • Works on any device

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