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 ...

If an IP address comes back and the web page appears to be loading properly in your browser, your DNS servers are working fine. If no address comes back, or an unexpected web page appears despite a ...

Figuring out what's wrong with DNS will go faster if you have a set of troubleshooting steps to follow. Brien Posey shares his approach to isolating the cause of DNS problems. DNS is one of the most ...

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 ...

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.

What is the DNS_PROBE_FINISHED_NXDOMAIN error on Google Chrome? The DNS_PROBE_FINISHED_NXDOMAIN error occurs when the browser cannot find the IP address for the ...

When you type a website into your address bar—like PCMag.com—your computer doesn't actually know where to go on its own. Instead, it looks that address up on a Domain Name System (DNS) server, which ...

When you type 'pcmag.com' in the address bar, it’s no surprise that the browser quickly displays PCMag’s latest articles and reviews. But getting from your request to the page you seek isn’t as simple ...

Are DNS problems dragging down the performance of your network? That’s what happened to the state of Maine, which was suffering from constant outages caused by a flaky DNS system. Here’s how Maine’s ...