Jan 31 · 2 min read · Prerequisite To read the article you should know follwing Basics of computer networks What is DNS? and DNS resolution Why Do DNS Records Exist? DNS isn’t just one entry.It’s a set of records, and each record solves a different problem. Think of D...
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Jan 29 · 2 min read · When we search for a website name the browser don’t know where exactly this website is and also browser don’t understand these urls they need IP for this, this is where DNS comes into play. DNS- Domain Name System In very simple words DNS is the phon...
Join discussionDec 11, 2025 · 3 min read · In computer networks, this is one of the most asked and fundamental topics. Let me break it down with a simple example. Suppose you are sending a video on WhatsApp to your friend. The network you are using is the same network that many other people a...
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Sep 9, 2025 · 6 min read · OSI Model Protocols : TCP/UDP/IP Ports Subnetting Routing DNS VPN (Virtual Private Network) Networking tools 1.OSI Model The OSI (Open Systems Interconnection) model is a conceptual framework that standardizes the functions of a telecommunic...
Join discussionApr 20, 2025 · 2 min read · What is a LAN? (Local Area Network) A LAN connects devices like computers, printers, and switches within a limited area like a home, office, or school. Types of LANs: 1. Typical SOHO LANs (Small Office/Home Office): Few devices like PCs, a router, ...
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Nov 13, 2023 · 5 min read · Problem Statement Write a program for DNS lookup. Given an IP address input, it should return the URL and vice versa. What is DNS? DNS stands for Domain Name System. DNS is the system that translates the human-friendly domain name into the actual IP...
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