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Course Overview

The DNS (or the Domain Name System) is a distributed, hierarchical system for mapping domain names to IP addresses. As it plays a critical role in the functioning of the Internet infrastructure, the DNS is often the target of malicious activities.

This course will outline the DNS Security Extensions (DNSSEC) protocol that protects against data spoofing.

This course will cover the following topics:

  • DNS Vulnerabilities
  • What is DNSSEC?
  • How DNSSEC Works
  • RRs and RRsets
  • NSEC Record
  • Chain of Trust
  • Types of Keys & Generating Key Pairs
  • Setting up a Secure Zone

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