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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 ...

As readers of my previous desktop Linux DNS article will be able to attest, systemd’s management of DNS is complex. By putting time into comprehending its complexity, though, we can create nuanced DNS ...

Networking is a fundamental aspect of modern computing, underpinning everything from small home offices to large enterprise data centers. For Linux system administrators and network engineers, a ...

It is a problem as old as the Internet. You want to access your computer remotely, but it is behind a router that randomly gets different IP addresses. Or maybe it is your laptop and it winds up in ...

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 ...

Jack Wallen shows you how to configure specific DNS servers for your Docker container deployments. When you deploy a container on your network, if it cannot find a DNS server defined in ...