What is CDN (Content Delivery Network)?


Everybody uses CDN (Content Delivery Network). YouTube, Amazon, Netflix and many others are applying it on a massive world scale so you can...

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Understanding DoT and DoH (DNS over TLS vs. DNS over HTTPS)

DNS, Protocols

As more and more of our data is being transferred over the Internet, protecting it from third-party interception is essential. DNS over TLS...

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What is IPv4? Everything you need to know 

DNS, Internet, Servers

Nowadays, in this rapidly evolving global Internet world, we can’t skip the IPv4. It is the most used IP currently and still resists...

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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...

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What is a Primary DNS server and how does it work?

DNS, Servers

We have already talked about what is DNS and what is a Secondary DNS, this time we will focus on the Primary DNS server. There is a DNS...

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The Crucial Role of SSL Certificate Monitoring in Ensuring Cybersecurity

Monitoring, SSL Certificates

SSL certificate monitoring is like a guardian that keeps our online interactions safe and secure. SSL certificates play a crucial role in...

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