DNS resolvers play a key role in converting Web links to IP addresses, acting as a link between your computer and the Internet's DNS infrastructure. A DNS resolver is a local server that stores a ...

To understand why DNS failures can be so disruptive, it's helpful to know how the Domain Name System is constructed. The internet contains over 378 million registered domain names, far too many for a ...

Cloudflare is an old hand at speeding up corporate internet services with its content delivery network (CDN). The company is also a pro at blocking Distributed Denial of Service (DDoS) attacks. Now, ...

The Domain Name System (DNS) has been around for nearly 40 years, yet surprisingly few organizations understand what a critical security tool it can be. DNS can play many vital security roles on a ...

I don't typically delve into technical issues in this column, but this month I'm going to take a shallow dive because there's an important issue that I think government CIOs, especially state CIOs, ...

Two recent events are once again bringing the internet’s foundational Domain Name System into the news, and not in a good way. The first event involving the DNS last week was a warning from the ...

Dig is a powerful and flexible tool for interrogating domain name system (DNS) servers. In this post, we’ll take a deep dive into how it works and what it can tell you. Dig is a powerful and flexible ...

The economics of surveillance capitalism and a world of paranoid apps will transform the domain name system (DNS), says Geoff Huston, chief scientist at APNIC Labs, part of the Asia Pacific Network ...

The Linux host command can retrieve a lot of useful information from the domain name service, but has a lot of options that you need to understand to get started. The host command on Linux systems can ...

DNSid: A durable, governable identifier that binds every AI agent to verifiable ownership, enabling secure interoperability ...