Using Google Public DNS - Public DNS — Google Developers

Replace those addresses with the IP addresses of the Google DNS servers: For IPv4: 8.8.8.8 and/or 8.8.4.4. For IPv6: 2001:4860:4860::8888 and/or 2001:4860:4860::8844 Restart the connection you selected in step 3. Test that your setup is working correctly;

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