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

Results forwww.voip.io

Resolver

Location

A

Name	TTL	Value
www.voip.io	60	3.162.103.3AWS CloudFront (GLOBAL) / Amazon.com, Inc.
www.voip.io	60	3.162.103.29AWS CloudFront (GLOBAL) / Amazon.com, Inc.
www.voip.io	60	3.162.103.35AWS CloudFront (GLOBAL) / Amazon.com, Inc.
www.voip.io	60	3.162.103.72AWS CloudFront (GLOBAL) / Amazon.com, Inc.