...
...
NOTE: Before you add a CNAME to your
...
domain, you may want to read our full guide about 1st Party Tracking.
How to add a CNAME to your Google Domains hosted domain:
to your Google Domains account.
Click on the domain that you’d like to update with a CNAME record.
Select the menu icon , followed by the DNS icon
Scroll down until you see the Custom resource records section.
In the Name or @ field, type in the subdomain you plan to use for your tracking.
In the Type drop-down menu, select CNAME.
In the TTL field, enter 1H.
In the Data field, paste in the unique CNAME value for your sub-domain.
Click the ADD button.
...