.svg)
.svg)
Demystifying DNS
.png)
What you’ll learn
Our students work at..
Description
Welcome to the Demystifying DNS course! The Domain Name System (DNS) is the backbone of the internet, yet it remains one of the most misunderstood technologies. Most resources either focus on DNS as a protocol or as a distributed system, making it difficult to grasp the full picture. This course bridges that gap, offering a comprehensive, hands-on approach to mastering DNS from both perspectives.
Whether you’re a network engineer, system administrator, or IT enthusiast, understanding DNS is crucial for managing and troubleshooting networks effectively. This course provides a structured learning path with practical applications in real-world Linux environments.
What You'll Learn
Welcome to the World of DNS
- Understand the fundamental role of DNS in networking.
- Learn essential DNS terminology and concepts.
- Use tools like dig to analyze DNS queries.
DNS as a System
- Explore how DNS functions as a distributed system.
- Understand recursive vs. iterative queries.
- Learn about resolvers, authoritative nameservers, and replication.
- Dive into GeoDNS, Anycast, and caching mechanisms.
DNS as a Protocol
- Study EDNS, DNSSEC, and DNS over HTTPS for enhanced security.
- Examine how DNS queries are structured at the protocol level.
- Gain insights into DNS message formats and query responses.
Record Types
- Learn about A, AAAA, CNAME, MX, TXT, and other DNS records.
- Configure and manage records in a BIND9 DNS server.
- Understand how different record types impact domain resolution.
Domain Name Lifecycle
- Understand the roles of registrars, registries, and registrants.
- Learn best practices for preventing domain hijacking.
- Explore the domain registration process and expiration policies.
Final Project
- Apply your knowledge by setting up a basic DNS server.
- Troubleshoot common DNS issues in a Linux environment.
- Gain hands-on experience with query analysis, caching, and security settings.
Why Take This Course?
This course offers real-world labs and practical demonstrations, ensuring you gain hands-on experience in configuring and managing DNS. By the end, you’ll have the skills to secure, troubleshoot, and optimize DNS systems in any networking environment.
🚀 Enroll now and master DNS today!
What our students say
About the instructor
Juan Carlos Martinez Carrillo is a Senior DevOps Engineer at Grid Dynamics and a renowned instructor in DevOps. His expertise in Kubernetes, Go, and FastAPI is complemented by his proficiency in both English and Spanish, making him a versatile and effective communicator in the tech industry.
At Grid Dynamics, he has served as a Senior DevOps Engineer Consultant and DevOps Specialization Lead, contributing significantly to the company's technical advancements. His role involved mentoring interns and developing training roadmaps, demonstrating his commitment to nurturing the next generation of tech professionals.
Previously, Juan Carlos worked on full-stack development projects and provided DevOps and SRE support for Kubernetes infrastructure at various companies. He has also been instrumental in Jenkins automation for Kubernetes deployments, showcasing his ability to integrate and streamline complex technical processes.
As a DevOps Instructor for a LATAM company, he created courses on Terraform, Docker, and Prometheus, further solidifying his reputation as a skilled educator in the field.
Introduction
Welcome to the World of DNS
DNS as a System
DNS as a Protocol
Record Types
Domain Name Lifecycle
Miscellaneous
Final Project
Frequently Asked Questions
Who are KodeKloud courses for?
KodeKloud courses are designed for learners at different skill levels, from beginners to experienced IT professionals looking to develop or strengthen their technical skills.
Do KodeKloud courses include hands-on practice?
Yes. Many KodeKloud courses include hands-on labs and practical exercises that let you apply what you learn in real-world environments.
Do I need any prior experience to take a KodeKloud course?
Prerequisites vary by course. Each course page provides information about the recommended knowledge or experience you may need before starting.
Can I learn at my own pace?
Yes. KodeKloud courses are designed for self paced learning, so you can learn according to your schedule and revisit lessons and practice activities as needed.
Can I access KodeKloud courses on mobile devices?
Yes. KodeKloud can be accessed through supported web browsers and mobile devices, allowing you to learn from different devices.
Do KodeKloud courses provide certificates?
Certificate availability depends on the course and your KodeKloud plan. Check the individual course page or your account for the applicable certificate details.
How long does it take to complete a KodeKloud course?
Course completion time varies depending on the course length, your prior experience, and how much time you spend on hands-on practice.
Can I practice while taking the course?
Yes. Courses that include hands-on labs allow you to practice concepts as you progress through the lessons.
How do I start learning a KodeKloud course?
Choose a course that matches your learning goals, review its requirements and curriculum, and select the available subscription option to start learning.
Get access to KodeKloud’s all courses.
Get access to KodeKloud’s all Pro courses.
Get access to our Labs now!
190+
1280+
75+
Expand Your Skills in Other Domains
AWS Certified Cloud Practitioner (CLF-C02)
.svg)
GCP Cloud Digital Leader Certification
AZ-104: Microsoft Azure Administrator
DevOps Pre-Requisite Course
Fundamentals of DevOps
DevOps Interview Preparation Course
AI Infrastructure: LLM-D, vLLM and GPUs
AI-900: Microsoft Certified Azure AI Fundamentals
AI Agents Fundamentals
Kubernetes for the Absolute Beginners – Hands-on Tutorial
Certified Kubernetes Administrator (CKA)
Certified Kubernetes Security Specialist (CKS)
AWS Solutions Architect Associate Certification
AWS Lambda
.svg)
