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,...
Speed up WordPress with CDN
WordPress has taken the internet by storm. It is the most commonly used CMS (content management system) out there. Plenty of people are...
Whitelisting vs Blacklisting, preventing or reacting
There are different security methods out there, but when it comes to data filtering, there are two...
MAC Address: Everything You Need to Know
A MAC address is a unique identifier assigned to every device that connects to a network. Whether you’re using a smartphone, laptop,...
Top 10 Most Expensive Domain Names in History
While most of us grab a domain for the price of a coffee, the world’s biggest brands are playing a high-stakes game of digital...
CDN and SEO, are they connected?
CDN and SEO go hand in hand when it comes to improving website performance and visibility. A slow...
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...
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...
TTL and how to check TTL
TTL – Time to live is a value that signifies how long should the data be kept before...