What is Authoritative DNS server?
The authoritative DNS server is the final holder of the IP of the domain you are looking for. When...
How to create your own CDN using DNS
A CDN – Content Delivery Network is responsible for the content delivery. We all interact with CDNs on a daily basis – when we...
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,...
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...
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 the latest Linux Mint 19.1 (based on...
What is CDN (Content Delivery Network)?
Everybody uses CDN (Content Delivery Network). YouTube, Amazon, Netflix and many others are...
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...
What is Ping command and how to use it?
What is Ping command? Ping is a very universal command between all the operating systems. You can use it to test if you can reach your...
What is a Primary DNS server and how does it work?
We have already talked about what is DNS and what is a Secondary DNS, this time we will focus on...