Introduction to DNS Training

Live Online & Classroom Enterprise Training

The Domain Name System (DNS) is a hierarchical system that translates human-readable domain names (e.g., google.com) into IP addresses, enabling internet communication. It functions as the internet's phonebook, ensuring efficient and accurate web navigation.

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What is Introduction to DNS Training about?

This course provides a fundamental understanding of the Domain Name System (DNS), a crucial component of internet infrastructure. Participants will learn how DNS works, its architecture, record types, caching, security measures, and troubleshooting. The course also covers hands-on DNS configurations, best practices, and the role of DNS in modern networking and cybersecurity

What are the objectives of Introduction to DNS Training ?

Understand how DNS works and its importance in the internet ecosystem.
Learn about DNS architecture, components, and resolution process.
Configure and manage DNS records (A, CNAME, MX, TXT, etc.).
Implement DNS security measures (DNSSEC, DoH, DoT).
Set up and troubleshoot DNS servers.
Understand the role of DNS in cybersecurity and internet performance..

Who is Introduction to DNS Training for?

IT professionals seeking to enhance their networking knowledge.
System administrators responsible for DNS management.
Network engineers looking to optimize DNS performance.
Cybersecurity professionals securing DNS infrastructure.
Web developers & DevOps engineers managing domain configurations.
Students & beginners wanting to learn internet fundamentals.

What are the prerequisites for Introduction to DNS Training?

Basic understanding of networking concepts..

Available Training Modes

Live Online Training

2 Days

Self-Paced Training

12 Hours

Course Outline Expand All

Expand All

Module 1: Introduction to DNS

What is DNS?

Importance of DNS in networking and the internet.

Evolution and history of DNS.

Module 2: DNS Architecture and Components

Root, TLD, and Authoritative DNS Servers.

Recursive DNS Resolvers.

Forward vs. Reverse DNS Lookup.

Module 3: DNS Resolution Process

How a domain name is translated into an IP address.

Recursive vs. Iterative queries.

Caching and Time-to-Live (TTL).

Module 4: DNS Record Types and Their Functions

A, AAAA, CNAME, MX, TXT, NS, PTR, and SOA records.

How to create and manage DNS records.

Module 5: Configuring DNS Servers

Installing and configuring a DNS server (Windows/Linux).

Public vs. Private DNS servers.

Configuring DNS clients.

Module 6: DNS Security and Best Practices

DNS Security Extensions (DNSSEC).

Protecting against DNS Spoofing and Cache Poisoning.

Secure DNS (DoH, DoT).

Implementing Access Control and Rate Limiting.

Module 7: DNS Troubleshooting and Optimization

Common DNS issues and debugging techniques.

Using nslookup, dig, and other DNS tools.

Optimizing DNS for performance and reliability.

Who is the instructor for this training?

The trainer for this Introduction to DNS Training has extensive experience in this domain, including years of experience training & mentoring professionals.

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