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

Results foradmin.rumo.co

Resolver

Location

A

Name	TTL	Value
admin.rumo.co	60	3.162.112.28AWS CloudFront (GLOBAL) / Amazon.com, Inc.
admin.rumo.co	60	3.162.112.62AWS CloudFront (GLOBAL) / Amazon.com, Inc.
admin.rumo.co	60	3.162.112.78AWS CloudFront (GLOBAL) / Amazon.com, Inc.
admin.rumo.co	60	3.162.112.129AWS CloudFront (GLOBAL) / Amazon.com, Inc.