IPv4 vs IPv6 and where did IPv5 go?
Every time you see some network settings, there are IPv4 or IPv6 addresses. As you can guess, the...
UDP (User Datagram Protocol) explained in details
UDP (User Datagram Protocol) is one of the well-known protocols in network communications. Thanks to it, we are able to watch video...
Types of DNS records – What are they and what is their purpose?
Do you know what types of DNS records are out there? If you don’t know them all, don’t worry, we will explain them all in brief. By...
Linux dig command, how to install it and use it
This article will show you how to use the dig command on Linux. You can apply the knowledge to Windows or MacOS.
Monitoring your DNS, should you do it?
DNS Monitoring can serve you and help you detect unwanted issues. As you probably know, the Internet would not function in such an easy and...
Understanding Phishing Attack and How to Stay Protected
In today’s digital age, the internet has become an integral part of our daily lives, enabling us to connect, shop, and conduct...
Linux Host command, troubleshot your DNS
Today we will add one more handy DNS tool – Host command on Linux. For the purpose, we will use...
Understanding DoT and DoH (DNS over TLS vs. DNS over HTTPS)
As more and more of our data is being transferred over the Internet, protecting it from third-party interception is essential. DNS over TLS...
TTL and how to check TTL
TTL – Time to live is a value that signifies how long should the data be kept before discarding. It is commonly used in computers. In...
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...