Note that if the problem lies with a secondary server, some users could still be successfully obtaining DNS information from the master and thus operating without experiencing any difficulty. Possible causes: The two most likely causes for these problems are network failure and a wrong IP address for the master in the secondary's boot file.
How (and Why) to Change Your DNS Server | PCMag May 17, 2019 How to Fix "DNS Server Not Responding" Error If the “DNS server not responding” problem still exists, move to the next solution. Way 10: Quickly Disable The Latest Internet Protocol Version (IPV6) Disabling the newest version of Internet Protocol, which is IPv6, can be helpful in the problem of the DNS server not responding on Windows 10. 10 Ways to Troubleshoot DNS Resolution Issues Jun 17, 2009
208.67.222.222 (Open DNS server 2) as Secondary DNS PS4 cannot connect to wifi within time limit Now follow till the end like DHCP hostname (Do not specify) > DNS settings (manually)> MTU server (Automatic) > Proxy Server (Do not use) and click on the internet connection to check everything is working correctly.
HP PCs - Resolving DNS-related Internet connection issues
The Top 5 Best DNS Servers for improving Online Privacy
May 17, 2019 How to Fix "DNS Server Not Responding" Error If the “DNS server not responding” problem still exists, move to the next solution. Way 10: Quickly Disable The Latest Internet Protocol Version (IPV6) Disabling the newest version of Internet Protocol, which is IPv6, can be helpful in the problem of the DNS server not responding on Windows 10.