What is a Recursive DNS server?
When you browse the internet, you don’t write IP addresses to go to the pages you want; you just...
TCPdump for Beginners: What It Is, How to Install, and Key Commands
TCPdump is a powerful command-line tool for analyzing network traffic in real-time, making it indispensable for network administrators and...
Ping of Death (PoD) – What is it, and how does it work?
Ping of Death sounds pretty scary, and it can bring down your server and keep it that way for an extended period of time using a simple...
DDoS attacks and how to protect ourselves
DDoS Attacks are widespread threats on the Internet. With the continually increasing numbers of...
What is DDNS? How does it work and how to setup DDNS?
Dynamic DNS (DDNS) is a solution that keeps your services accessible even when your IP address changes. For users with dynamic IPs, DDNS...
8 DNS tools for testing your servers
You are already a DNS user, and your server or website works great when you visit it from your computer. But that is not enough. You want...
What is Backup DNS?
Backup DNS is an important part of any website or application infrastructure. It is a system of...
Understanding Localhost: The Basics of 127.0.0.1 Explained
In the realm of networking and computing, “localhost” and the IP address “127.0.0.1” hold significant importance....
What is DNS? How does Domain Name System work?
Without Domain Name System (DNS), there is no Internet. It is the key ingredient that makes domain resolving possible. We use DNS to access...
10 most used Nslookup commands (Updated 2024)
What is Nslookup? First, let’s talk about what Nslookup is – it is a small but very powerful...