How a DNS Server Works

1. REHAN 28.01.2026 / 22:19
How a DNS Server Works 🌐⚙️

1. User types a domain 💻
2. Browser checks cache 🔁
3. OS checks DNS cache 🧠
4. Query sent to DNS Resolver 📡
5. Resolver checks its cache 🗃️
6. Root DNS server is queried 🏛️
7. TLD server is queried 🔤
8. Authoritative DNS server responds 📬
9. IP address returned to browser ↩️
10. Browser connects to web server 🚀

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