Domain Name System (DNS) servers translate human readable host or domain names to numeric IP addresses. Drexel IT Networking manages domain name servers used by the university. At start-up time, most ...

The Domain Name System (DNS) is a distributed database system used to translate hostnames (i.e., www.purdue.edu) to IP addresses (i.e., 172.31.9.5) and to translate IP addresses back to hostnames. The ...

DNS underpins all important services that run over the internet, including the World Wide Web, email, messaging and more. In some cases, you can tell that a service relies on DNS because the addresses ...

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 ...

A key component of the Internet and how it works revolves around the Domain Name System, otherwise known as DNS. The underlying technology behind the Internet, is that when a computer needs to talk to ...

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 ...

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, ...

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 ...

"If you can't explain it simply, you don't understand it well enough." That quote is often attributed to Albert Einstein, and although that attribution is debatable, there is truth in the quote.