Visit Google Domains and login to your account.
After you sign in, select the domain (website) you want to edit the DNS.
Select DNS from the left column. In the right side box you’ll probably see google’s DNS.
Select: Use Custom Name Servers
Enter the new DNS:
Note: Your DNS may be different.
A pop-up will warn that DNS changes may take up to 48 hours, but usually the change will happen within a couple hours.
Let’s move on to the next steps.