---
title: "Discussion on \"From Zero to Understanding: DNS, IPs, CIDR, Subnets & Ports\" | Hashnode"
description: "Discussion on \"From Zero to Understanding: DNS, IPs, CIDR, Subnets & Ports\". When I first started learning networking, everything felt overwhelming — DNS, IPs, CIDR, subnets, ports. None of it made sense. But once I broke it down step by step, it all started connecting.\nUnders"
url: "https://hashnode.com/posts/from-zero-to-understanding-dns-ips-cidr-subnets-ports/69e51e9213e74eec583aa52e"
---

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# [From Zero to Understanding: DNS, IPs, CIDR, Subnets & Ports](https://90-days-devops-with-shubham.hashnode.dev/from-zero-to-understanding-dns-ips-cidr-subnets-ports?utm_source=hashnode&utm_medium=feed)

When I first started learning networking, everything felt overwhelming — DNS, IPs, CIDR, subnets, ports. None of it made sense. But once I broke it down step by step, it all started connecting. Unders

Apr 19 · 14 min read · 90-days-devops-with-shubham.hashnode.dev  
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## Written by

[Malathi Shetty](https://hashnode.com/@withmalathi)

@withmalathi · India

  
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DevOps Learner | CI/CD | Docker | Kubernetes

QA Engineer transitioning into DevOps with 13+ years of experience in software testing, automation, CI/CD, Docker, Kubernetes, and cloud technologies. Sharing real-world DevOps learning, hands-on projects, and career transformation experiences.

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