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

Results foradmin.renapp.co

Resolver

Location

A

Name	TTL	Value
admin.renapp.co	60	108.138.85.5AWS CloudFront (GLOBAL) / Amazon.com, Inc.
admin.renapp.co	60	108.138.85.13AWS CloudFront (GLOBAL) / Amazon.com, Inc.
admin.renapp.co	60	108.138.85.27AWS CloudFront (GLOBAL) / Amazon.com, Inc.
admin.renapp.co	60	108.138.85.29AWS CloudFront (GLOBAL) / Amazon.com, Inc.

Name	TTL	Value
admin.renapp.co	300	firebase=renapp-admin
admin.renapp.co	300	v=spf1 include:_spf.firebasemail.com ~all