Causes: This issue is typically caused by a problem with domain name server (DNS) resolution because the Internet service provider's DNS servers are unavailable or a problem with the security software (usually a firewall) running on the computer which is attempting to access the Internet.
How do I fix unable to resolve DNS?
If it doesn't fix your problem, move on to the solutions below, which are designed for Windows 10 users.
- Rule out ISP issues. ...
- Restart your networking equipment. ...
- Flush DNS cache and reset winsock. ...
- Perform a clean reboot. ...
- Run the Microsoft LLDP Protocol Driver. ...
- Update network adapter driver and reinstall if needed.
Can I ping a DNS?
The easiest way to verify connectivity is to log on to the DNS server and try to ping a few machines. You should also try to ping the DNS server from a few random machines. Remember that ping will work only if you allow ICMP packets through the firewall on the machine you are pinging.
