---
title: "Mohammad Umar (@umarwani) | Hashnode"
description: "I'm Mohammad Umar, a passionate engineer with a knack for simplifying complex technology. I specialize in crafting insightful tech blogs and educational know..."
url: "https://hashnode.com/@umarwani"
---

@umarwani

# Mohammad Umar

@umarwani · Joined April 2025

### [DNS in Depth: The Internet's Address Book](https://kubecaptain.com/dns-in-depth-the-internets-address-book?utm_source=hashnode&utm_medium=feed)

Discover how DNS connects human-readable domain names to IP addresses, functioning as the internet's address book

37 min read · [kubecaptain.com](https://kubecaptain.com/dns-in-depth-the-internets-address-book?utm_source=hashnode&utm_medium=feed)

[Jul 10, 2025](https://hashnode.com/posts/dns-in-depth-the-internets-address-book/686ff2942266e3c92bd2b5b0)

### [The HTTP Protocol: How the Web's Foundations Really Work](https://kubecaptain.com/the-http-protocol-how-the-webs-foundations-really-work?utm_source=hashnode&utm_medium=feed)

Explore web communication via HTTP/HTTPS, understanding protocols, methods, and advancements for secure, efficient browsing

6 min read · [kubecaptain.com](https://kubecaptain.com/the-http-protocol-how-the-webs-foundations-really-work?utm_source=hashnode&utm_medium=feed)

[Jun 12, 2025](https://hashnode.com/posts/the-http-protocol-how-the-webs-foundations-really-work/684aa1060e848e403962a4b4)

### [The TLS Handshake: Behind the Scenes of Secure Internet Communication](https://tech.irenicpoint.blog/the-tls-handshake-behind-the-scenes-of-secure-internet-communication?utm_source=hashnode&utm_medium=feed)

Learn how TLS handshake works to establish secure connections between clients and servers. Complete guide covering the step-by-step process.

7 min read · [tech.irenicpoint.blog](https://tech.irenicpoint.blog/the-tls-handshake-behind-the-scenes-of-secure-internet-communication?utm_source=hashnode&utm_medium=feed)

[Jun 5, 2025](https://hashnode.com/posts/the-tls-handshake-behind-the-scenes-of-secure-internet-communication/6841c04a2eb7ad1faeda71c7)

### [DNS in Depth: The Internet's Address Book](https://tech.irenicpoint.blog/dns-in-depth-the-internets-address-book?utm_source=hashnode&utm_medium=feed)

Have you ever wondered how typing www.google.com magically connects you to Google's servers? Behind this seemingly simple action lies one of the internet's most fascinating and critical systems: the Domain Name System (DNS). Let's embark on a journey...

36 min read · [tech.irenicpoint.blog](https://tech.irenicpoint.blog/dns-in-depth-the-internets-address-book?utm_source=hashnode&utm_medium=feed)

[Jun 5, 2025](https://hashnode.com/posts/dns-in-depth-the-internets-address-book/6841b85571fd6655dc16f050)

### [The HTTP Protocol: How the Web's Foundations Really Work](https://tech.irenicpoint.blog/the-http-protocol-how-the-webs-foundations-really-work?utm_source=hashnode&utm_medium=feed)

Learn HTTP protocol fundamentals - how web browsers communicate with servers, request methods, status codes, and headers.

5 min read · [tech.irenicpoint.blog](https://tech.irenicpoint.blog/the-http-protocol-how-the-webs-foundations-really-work?utm_source=hashnode&utm_medium=feed)

[Jun 5, 2025](https://hashnode.com/posts/the-http-protocol-how-the-webs-foundations-really-work/6841a6d669c520d9cdfdadca)