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

Results formedia.app.switch2zero.com

Resolver

Location

A

Name	TTL	Value
media.app.switch2zero.com	60	18.160.18.13AWS CloudFront (GLOBAL) / Amazon.com, Inc.
media.app.switch2zero.com	60	18.160.18.17AWS CloudFront (GLOBAL) / Amazon.com, Inc.
media.app.switch2zero.com	60	18.160.18.122AWS CloudFront (GLOBAL) / Amazon.com, Inc.
media.app.switch2zero.com	60	18.160.18.124AWS CloudFront (GLOBAL) / Amazon.com, Inc.