1. Identify the DNS Server: Use the URL google-dns.google.com to access the Google DNS server.

2. Authentication Method: Use your Google account for authentication. Google provides a user account where you can set up DNS settings.

3. Authentication Details:

   • Go to Account Settings and select your Google account.
   • From there, you can choose to use your Google account for DNS settings.

4. Access DNS Settings:

   • Open the Google DNS page by typing https://google-dns.google.com in your browser.
   • Choose the appropriate authentication method (HTTP or HTTPS) depending on your preference.

5. Testing the DNS Server:

   • Open a browser and navigate to https://google-dns.google.com.
   • Test the DNS server to ensure it works as expected.

6. Additional DNS Servers:

   • If you need access to other Google DNS servers, use URLs like google-dns.google.com/your_number or explore the Account Settings for other options.

7. DNS Preferences:

   • For more control, visit the Google account settings under Account Settings to explore and adjust DNS settings.

8. Security Considerations:

   While Google's DNS is primarily a public service, using it may pose security risks. Consider consulting security guidelines for a more secure setup.

By following these steps, you can effectively use Google's DNS address for routing purposes.