Domain Name System (DNS) Explained | How it is Working | Interview Ready | Mission 30 - Part 6 скачать в хорошем качестве

Domain Name System (DNS) Explained | How it is Working | Interview Ready | Mission 30 - Part 6

n this video, we understand DNS (Domain Name System) in a simple and practical way. Have you ever wondered what happens when you type www.google.com in your browser? How does your system know where to go? 👉 In this video, I explain: What is DNS? Why DNS is called the Internet Phonebook How DNS works step-by-step DNS Resolution process Browser cache, Resolver, Root server, TLD, Authoritative server How DNS improves performance with caching Real-world system design perspective of DNS Interview-focused explanation (important for 3–8 years experience) This video is part of Mission 30 – System Design Series, where we break down complex backend and distributed system concepts into simple explanations. If you are preparing for: 🔹 System Design Interviews 🔹 Backend Developer roles 🔹 Java / Full Stack interviews 🔹 Product-based company interviews This series is for you. 🎯 Why DNS is Important in System Design? DNS plays a crucial role in: Scalability High availability Global traffic routing Load balancing Performance optimization Understanding DNS is foundational before learning about CDNs, Reverse Proxies, and Load Balancers. Related Topics Covered in This Series: 1. Scalability2. Availability3. Consistent Hashing4. CAP Theorem5. TCP vs UDP6. DNS7. Proxy vs Reverse Proxy8. Load Balancing Algorithms9. APIs10. API Gateways11. Rate Limiting12. JWT13. WebSockets14. Webhooks15. Message Queues16. Change Data Capture (CDC)17. Caching Strategies18. Content Delivery Network (CDN)19. Database Types20. ACID Transactions21. Indexing22. Sharding23. Block vs File vs Object Storage24. Strong vs Eventual Consistency25. Service Discovery26. Batch vs Stream Processing27. Observability28. Authentication & Authorization29. Idempotency30. GeoHashing What is DNS DNS explained How DNS works Domain Name System tutorial DNS working step by step DNS resolution process How internet works DNS in system design Backend system design basics DNS interview questions System design for beginners DNS architecture explained Root server TLD authoritative server DNS caching explained DNS for software engineers System design interview preparation Mission 30 system design series #DNS #DomainNameSystem #SystemDesign #BackendDevelopment #SoftwareEngineering #InterviewPreparation #TechExplained #HowInternetWorks #DistributedSystems #JavaDeveloper #FullStackDeveloper #Mission30