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 ...

Internet users' experience highly depends on how efficiently the Domain Name Server (DNS) works while browsing the internet. The DNS converts human-understandable domain names to ...

Released with Windows 2000 and later versions, Nslookup is a command-line tool that lets you test and troubleshoot Domain Name System (DNS) resolution. To start nslookup, open a command prompt and ...

Too many DNS servers enable bad actors to hijack them for DDoS attacks. Here's how to ensure you're not a party to destructive mischief It seems like ancient history now, but in the early decades of ...

As Brien recently discovered, a glitch in Azure can cause a virtual machine to fail when it's manually configured to use a specific DNS server. Here's how the problem went down and how he fixed it.

It’s not everyday that one needs to change the DNS server on Windows 10 but it can be one of the important things that you can do if you’re having trouble browsing websites, pulling up certain ...

Jack Wallen shows you how to flush the DNS cache on your Ubuntu Servers to avoid DNS-released networking issues. Image: gonin/Adobe Stock Sometimes a network connection doesn’t seem to function how we ...

Many an IT administrator has needed to modify network interface settings in the past, usually via the graphical user interface (GUI). Besides just setting the IP address, if a system is statically ...

This article is excerpted from the book DevOps Troubleshooting: Linux Server Best Practices and is reprinted by permission of publisher Pearson/Addison-Wesley Professional. Many different problems can ...