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

Results forcdn.app.switch2zero.com

Resolver

Location

A

Name	TTL	Value
cdn.app.switch2zero.com	60	3.171.100.64AWS CloudFront (GLOBAL) / Amazon.com, Inc.
cdn.app.switch2zero.com	60	3.171.100.69AWS CloudFront (GLOBAL) / Amazon.com, Inc.
cdn.app.switch2zero.com	60	3.171.100.113AWS CloudFront (GLOBAL) / Amazon.com, Inc.
cdn.app.switch2zero.com	60	3.171.100.119AWS CloudFront (GLOBAL) / Amazon.com, Inc.