It can be anything! An apex, subdomain, or even a URL.

Results forgo.freeup.app

Name	TTL	Value
go.freeup.app	60	15.206.85.156AWS EC2 (ap-south-1) / Amazon Technologies Inc.
go.freeup.app	60	43.204.190.164AWS EC2 (ap-south-1) / Amazon.com, Inc.