DNSSEC, the DNS Security extension
The Domain Name System Security Extension (DNSSEC) is a powerful tool designed to protect both you...
What to Look for When Choosing a DNS Provider in 2025
Choosing the right DNS provider is critical in 2025. It impacts how fast your website loads, how well it handles traffic, and how secure...
Round-Trip Time (RTT): What It Is and Why It Matters
Round-Trip Time (RTT) is a fundamental metric in the context of network performance, measuring the time it takes for data packets to...
SMTP (Simple Mail Transfer Protocol) explained
SMTP (Simple Mail Transfer Protocol) allows us to send different emails to one another all the...
Knot DNS Server Explained: Understanding the Basics
Knot DNS, a high-performance open-source DNS server software, helps administrators to manage DNS infrastructure effectively. In...
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 the Internet, into a weapon for...
DNS Spoofing (DNS poisoning)
Cyber-threats are behind every corner. Recently we wrote about DDoS attacks, and how hackers are...
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 BIND. It provides excellent performance...
Email forwards – what are they and how to use them?
Can you guess what email forwards do? Yes, it is very simple, they redirect emails from one mailbox...