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

Participants are advised to bring their own laptop computers with high-speed Wi-Fi (802.11a/g/n/ac) and administrative access to system. It is also recommended that laptops have Intel i5 or i7 processor, >=8GB of RAM and 30GB of free hard disk space.

Maximum number of attendees

40 participants per workshop

Please note

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