The Domain Name System (DNS) helps us whenever we browse the internet by translating domain names that are easy for humans to read into IP addresses. In this introductory course, IT trainer and technology advocate Jarrel Rivera guides you through the basics of what DNS is, what it does, and how to manage it. Learn about DNS domain hierarchy, name resolution, and record types. Explore more advanced topics like DNS query packet analysis, caching, forwarding and security. Discover effective ways to manage DNS in Cisco networks, as well as in a Windows Server environment. Plus, go over how DNS is managed and configured in Windows clients and in Linux environments.