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

Results forcrl.e3m01.eu.amazontrust.com

Resolver

Location

A

Name	TTL	Value
crl.e3m01.eu.amazontrust.com	60	3.167.88.16AWS CloudFront (GLOBAL) / Amazon.com, Inc.
crl.e3m01.eu.amazontrust.com	60	3.167.88.34AWS CloudFront (GLOBAL) / Amazon.com, Inc.
crl.e3m01.eu.amazontrust.com	60	3.167.88.91AWS CloudFront (GLOBAL) / Amazon.com, Inc.
crl.e3m01.eu.amazontrust.com	60	3.167.88.113AWS CloudFront (GLOBAL) / Amazon.com, Inc.