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 ...

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 domain name system (DNS) hums along behind the scenes and, as with running water, we largely take it for granted. That this system just works is a testament to the hackers who designed and ...

In the first part of this article [LJ, January 2008], we started the apparently simple journey of navigating our way to the IP address of www.example.com and its secure server online.example.com by ...

If you've ever had the inclination to look up information using the shell prompt, the Command-Line Fu site explains how to query Wikipedia using the built-in dig utility. The idea is simple—you can ...