What is DNS? | DNS Working, Packet Flow & Records | Hindi + English

Join this channel to get access to perks:    / @itindex   IT Index is providing core networking contents . In this video, we explain DNS (Domain Name System) in a very simple and practical way. This is a complete DNS tutorial in Hindi + English for beginners, students, and interview preparation. 🔹 Topics Covered: ✔ What is DNS? ✔ Why DNS is required ✔ Domain, Name & System explained ✔ How DNS works step by step ✔ DNS packet flow ✔ Root Server, TLD & Authoritative DNS ✔ Recursive & Iterative queries ✔ Common DNS records (A, AAAA, CNAME, MX, NS) ✔ nslookup & troubleshooting basics ✔ Real-world examples This video is useful for: ✅ CCNA / CCNP students ✅ Linux & System Administrators ✅ Network Engineers ✅ Interview preparation ✅ Beginners in Networking 📌 Language: Hindi + English (Hinglish) 📌 Video Length: 35 Minutes (Full Concept) 👉 Subscribe to *ITindex by Mukesh Sir* for Networking, Linux, Cloud & Interview Prep.