WDNS01: DNS Concepts

3 days
Level of Study


The Domain Name System (DNS) is a critical part of Internet infrastructure and the largest distributed Internet directory service. DNS translates names to IP addresses, which is required for web navigation, email delivery, and other Internet functions. To guarantee the availability of Internet services, it is important for networking professionals to understand DNS concepts, configurations, operations, and basic security aspects.

This course will discuss the concept of DNS, configuring nameservers, managing forward and reverse zones, and basic security mechanisms.

Target audience

This course is designed for network engineers, systems administrators, and anyone who is involved in managing DNS operations.


It is assumed that participants have a good understanding of networking fundamentals and a basic knowledge of Unix/Linux.

Course outline

  • DNS concepts
  • BIND (DNS server) and Resolver (DNS client) configurations
  • Setting up domains
  • DNS debugging tools, troubleshooting, and techniques
  • Reverse DNS
  • RNDC
  • TSIG
  • DNS and IPv6

Other requirements

It is highly recommended that participants bring their own laptop computers (At least Pentium 4, 1gb Ram, DVD drive, with administrative access to system) to practice the lessons learned during the workshops.

Maximum number of attendees

40 participants per workshop

Please note

Certificate of participation is provided upon successful completion of the course.