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

Results forshadow.uefa.tv

Resolver

Location

A

Name	TTL	Value
shadow.uefa.tv	60	18.165.98.31AWS CloudFront (GLOBAL) / Amazon.com, Inc.
shadow.uefa.tv	60	18.165.98.34AWS CloudFront (GLOBAL) / Amazon.com, Inc.
shadow.uefa.tv	60	18.165.98.52AWS CloudFront (GLOBAL) / Amazon.com, Inc.
shadow.uefa.tv	60	18.165.98.59AWS CloudFront (GLOBAL) / Amazon.com, Inc.