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DADivyat Agrawalday-15-dns-ip-subnets-and-ports.hashnode.devFeb 6 · 4 min read

🌐 Day 15 – Understanding DNS, IP Addresses, Subnets & Ports

Today I focused on the foundations of networking — the basic building blocks that power the entire internet. Before today, terms like DNS, IP, CIDR, and Ports sounded technical.Now, I understand how they all connect when I open a website or when serv...

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DADivyat Agrawalday-14-networking-and-trobuleshooting.hashnode.devFeb 5 · 5 min read

🌐 Day 14 – Networking Fundamentals & Real Troubleshooting

Today I stepped into one of the most important areas of DevOps: networking. Whenever a website doesn’t open, a server becomes unreachable, or an API stops responding, the issue is often not the application — it’s the network path between systems. So ...

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KSKrishna Sharmakrishnasharma0.hashnode.devJan 31 · 5 min read

Understanding Network Devices

How does the internet actually reach your laptop, phone, or backend server? When you open a website or deploy an API, a whole chain of physical devices quietly works together to move data from somewhere in the world to your machine. Routers, modems, ...

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KJKarmadeepsinh Jadejanetworkbasics18.hashnode.devJan 30 · 7 min read

DNS Record Types

On Earth, any location can be identified using a pair of coordinates.For example, the Pyramid of Giza is located at 29.9792° N, 31.1343° E. These coordinates are very precise, but for an average human being, they are not very helpful. People prefer s...

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SSSagar Sanglesagarsangle-understanding-network-devices.hashnode.devJan 30 · 10 min read

Internet Infrastructure Basics: Modems, Routers, Switches, Firewalls, and Load Balancers

If you’re a software engineer, you probably deploy APIs, scale backend services, and worry about latency and uptime. But somewhere between your backend server and the global internet, a bunch of physical network devices quietly make everything work. ...

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RCRicha Chauhanwebdevcohort26.hashnode.devJan 28 · 3 min read

TCP Working: 3-Way Handshake & Reliable Communication

Think of sending a handwritten letter through the post without writing the full address, without a tracking number, and without any confirmation that it reached the receiver. You drop it into the mailbox and simply hope it reaches the right person sa...

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SGSagnik Gurunetwork-basics-for-developers.hashnode.devJan 27 · 9 min read

How Browsers Actually Render Your Web Pages

Browsers are very complex software to understand all the different aspects and features. Browsers may take a decade, and you will require the knowledge only if you want to build your own browser. In this blog, we will only learn about the high-level ...

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VKVivek Kalpavruskhanetwork-device-understand.hashnode.devJan 27 · 4 min read

Understanding Network Devices

Networking Basics Explained: Modem, Router, Switch, Firewall, and Load Balancer How the Internet Reaches Your Home or Office (Big Picture) When you open a website or call an API, your request doesn’t magically reach the internet. It passes through m...

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STSahil Thakurtransportlayer-protcol-tcp-and-udp.hashnode.devJan 27 · 4 min read

Transport Layer Protocol : TCP And UDP

When we use the internet—opening websites, watching videos, making calls—we rarely think about how data actually travels.But the internet doesn’t work magically. It works because everyone follows rules. These rules are called protocols. In this artic...

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SGSagnik Gurunetwork-basics-for-developers.hashnode.devJan 19 · 5 min read

Deep Dive into DNS Records

What are DNS Records Whenever you purchase a new domain for your website, in order for your website to be accessible across the internet, you need to map it to an IP address. This is done in the DNS settings of your domain’s authoritative nameserver ...

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#networks

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Trending tags this week

🌐 Day 15 – Understanding DNS, IP Addresses, Subnets & Ports

🌐 Day 14 – Networking Fundamentals & Real Troubleshooting

Understanding Network Devices

DNS Record Types

Internet Infrastructure Basics: Modems, Routers, Switches, Firewalls, and Load Balancers

TCP Working: 3-Way Handshake & Reliable Communication

How Browsers Actually Render Your Web Pages

Understanding Network Devices

Transport Layer Protocol : TCP And UDP

Deep Dive into DNS Records