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In-depth tutorials on network protocols, tools like ping and traceroute, and internet infrastructure.
7 articles
Most home users have a dynamic IP that changes regularly. Businesses use static IPs that never change. Here's exactly why it matters and how to check which one you have.
Finding the IP address behind a domain name is useful for network troubleshooting, security research, and understanding how websites are hosted. Here are 5 reliable methods.
DNS translates domain names into IP addresses. Without it, you would need to memorise numbers to visit any website. Here is exactly how it works.
A proxy server sits between you and the internet, forwarding your requests. Here's exactly how proxies work, the different types, and when a VPN is better.
IPv4 addresses are running out. IPv6 is the solution. Here's what the difference actually means for you, your network, and the future of the internet.
Ping is one of the most useful network tools built into every operating system. Here's how to use it, what the results mean, and how to diagnose problems with it.
MAC addresses and IP addresses both identify devices on networks but work completely differently. Here is exactly what each one does and why both matter.