Subdomain Takeover: What It Is and How to Prevent It
Subdomain Takeover happens when an attacker gains control of a subdomain that still points to an...
Inside Our Uptime Monitoring Data: 300 Million Checks in One Month
Uptime monitoring usually works quietly in the background. Checks run, services respond, and most of the time nothing unusual happens. But...
DNS zone transfer and zone file (Updated)
We have already covered the bases of DNS, so you know what it is and how does it work. This article will help you understand one of...
DNS best practices
You cannot imagine the internet without DNS. There is almost no service that doesn’t depend on...
DNSSEC, the DNS Security extension
The Domain Name System Security Extension (DNSSEC) is a powerful tool designed to protect both you and your clients from DNS spoofing...
Can we use free DNS? Free DNS vs. Premium
Choosing the right DNS service is more important than many website owners realize. Whether you’re launching a personal blog or...
What is Blockchain DNS, and how does it work?
For decades, the Domain Name System has helped us reach websites without memorizing long IP...
MSS (Maximum Segment Size): What It Is and How It Works
MSS (Maximum Segment Size) is the largest amount of application data that a device can place inside a single TCP segment. It may sound like...
8 DNS tools for testing your servers
You are already a DNS user, and your server or website works great when you visit it from your computer. But that is not enough. You want...
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...