If you are currently using Google Domains as your domain registrar follow the steps below.
Log into your Google Domains account.
Select the domain that you will be using for your new hosting plan.
On the left sidebar select DNS.
Select Use custom name servers
Enter the nameservers provided in your welcome email or listed in your dashboard.*
*Allow several hours for the domain to propagate throughout the internet. * Enter your name servers as:
Do not include the IP address (18.104.22.168) next to the nameservers