What is Backup DNS?
Backup DNS is an important part of any website or application infrastructure. It is a system of...
What is a Smurf DDoS attack?
Yes, the Smurf attack sounds cute and harmless, but we can assure you it is not. Instead, it is yet another DDoS attack that is made to...
rDNS explained in detail
Have you ever heard of rDNS? It may not be as well-known as its opposite, forward DNS, but in today’s digital world, rDNS plays a...
What is a Secondary DNS server?
Having a Secondary DNS server is crucial for website owners who want to ensure uptime and minimize...
What is Authoritative DNS server?
The authoritative DNS server is the final holder of the IP of the domain you are looking for. When you write a domain name in your browser,...
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...
TTL and how to check TTL
TTL – Time to live is a value that signifies how long should the data be kept before...
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...
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...
DNS Hijacking: What It Is and How to Protect Yourself
DNS hijacking is a malicious cyber attack that can have serious consequences, such as stealing your...