The DNS Check test will run a comprehensive DNS Report for your domain. A DNS lookup is done directly against the root servers (or TLD Servers). Then we query each name server to make sure your DNS Servers all respond, measure their performance and audit the results against common best practices.
Five Most Common DNS Issues (and How to Resolve Them May 28, 2015 Troubleshooting DNS Problems: Start Here To Fix Common Errors Mar 25, 2011 10 tips for troubleshooting DNS problems - TechRepublic
Here are quick ways to fix it. [ Further reading: DNS tips and tricks ]. DNS, though, can be your foe as well as your friend. DNS problems may stop you Check your HOSTS file. If your HOSTS file contains an incorrect or outdated listing, you won't be able to connect. Even Check your DNS
What is a DNS Error? How to Fix DNS Server Not Responding? Jun 16, 2016 How to Fix DNS Server Not Responding Errors
Alternatively, some users are suggesting to use 208.67.222.222 as Preferred DNS server and 208.67.222.220 as Alternate DNS server. Update: CloudFlare has recently launched a free DNS server, and you can read all about it in our article: How to use DNS server 1.1.1.1 on your Windows 10 computer
Prevent websites, ISP, and other parties from tracking you. Private Internet Access is a VPN that can prevent your Internet Service Provider, the government, and third-parties from tracking your online and allow you to stay completely anonymous. The software provides dedicated servers for torrenting and streaming, ensuring optimal performance and not slowing you down. Step 6: If you have been using specific DNS server, go to Settings > Network > Set Up Internet Connection > Custom and change the DNS settings. Tried Everything? For more information on improving your Internet connection, please read How to Improve a Network Connection. DNS Server Invalid — NW-31253-4, NW-31246-6 Troubleshooting Go to network settings reconnect to your network set everything to automatic EXCEPT DNS. When you are in the manual inputs for the DNS type in the numbers for another DNS server. I don't remember the numbers but I'm sure you can find them online just google search it. Or try google's 8.8.8.8 8.8.4.4