DNS history. When and why was DNS created?
We have talked a lot about DNS. How does it work, and all the related topic around it. But we have...
Internet and DNS in Asia (Singapore, Hong Kong, Malaysia and more)
Let’s take a digital journey through Asia and examine the Internet and Domain Name System (DNS) connectivity. In today’s...
What is DNS propagation? How to check DNS propagation?
In this article we’ll talk about DNS Propagation. But before that, we need to make sure you know what DNS is. Basically, the DNS is a...
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...
What is a Point of Presence (PoP) and Why Does It Matter?
Every time you visit a website, stream a video, or access an online service, your request travels through multiple network points before...
DNS Spoofing (DNS poisoning)
Cyber-threats are behind every corner. Recently we wrote about DDoS attacks, and how hackers are using your computer and many connected...
DNS Tunneling attack – What is it, and how to protect ourselves?
DNS Tunneling attack turns the Domain Name System (DNS), a highly trusted and widely used system on...
What is a DNS Sinkhole and how to set it up?
A DNS sinkhole (also known as Blackhole DNS) is a security mechanism that prevents devices from connecting to malicious or unwanted...
Understanding BGP: A Comprehensive Guide for Beginners
Border Gateway Protocol (BGP) plays a crucial role in directing data between different networks. If you’re new to the topic,...
What is PowerDNS? – Open-source BIND alternative
Have you ever heard about PowerDNS? It is a complete software platform that you can use instead of...