IPv6 is the next-generation protocol designed by the Internet Engineering Task Force (IETF) to replace IPv4, the current version of the Internet Protocol. IPv4 has been remarkably resilient. However, ...

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 ...

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 ...

Personally, one of the main reasons I like to run my own DNS server at home is to protect my privacy. DNS isn't encrypted by default, unless you've got DNSSEC setup to encrypt your DNS queries. A DNS ...

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 ...

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 ...