Verification stages
Inspect the cables for visible damage such as kinks, sharp bends, or worn jackets.
Make sure all connections are secure.
Restarting the router and modem
Restarting your router and modem can often resolve connection issues, including DNS errors:
Disconnect the power cables from your router and modem.
Wait 30 seconds to ensure the power is completely japan telegram data disconnected.
Connect your modem and wait for it to reconnect.
Connect your router and wait for it to reboot completely.
Restart your computer
A full computer reboot can also help resolve DNS errors by resetting network settings and resolving temporary system glitches. To reboot your computer:
Safety first: Save all open work and close applications.
Reboot your OS:
Windows : Start menu > Power > Restart.
macOS : Apple menu > Restart.
Linux : Open a terminal and type sudo restart.
Testing DNS Resolution
Testing DNS resolution helps determine whether the DNS server is responding correctly. Use the following commands in your operating system's terminal or command prompt. The commands should return either the IP address associated with the domain name or some hopefully more useful error text for further troubleshooting.