Domain Name System or DNS errors can prevent you from being able to navigate the Web or access specific applications. There may be several reasons why you get a DNS ...

The most important networking command in Linux might be ping. This command lets you check if a remote machine is responding to your requests. You can use ping to check if your internet connection is ...

If you’re overly paranoid about computer security, you probably know that standard DNS isn’t terribly secure. Why? Because, by default, DNS queries are not encrypted. That means DNS can be (and often ...

Researchers from Tsinghua University and the University of California have identified a new method that can be used to conduct DNS cache poisoning attacks. The new discovery revives a 2008 bug that ...

As much as 38 percent of the Internet’s domain name lookup servers are vulnerable to a new attack that allows hackers to send victims to maliciously spoofed addresses masquerading as legitimate ...

Another great benefit of running your own DNS cache is that it can improve performance when browsing the internet. Most home ...

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 ...