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

Results fornewserver.ca.andersen.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-03-11T19:04:02.139	2025-03-11T18:05:29	2025-06-09T18:05:28	newserver.ca.andersen.com	newserver.ca.andersen.com	C=US, O=Let's Encrypt, CN=R10
2025-03-11T19:04:00.064	2025-03-11T18:05:29	2025-06-09T18:05:28	newserver.ca.andersen.com	newserver.ca.andersen.com	C=US, O=Let's Encrypt, CN=R10
2025-03-10T23:01:39.378	2025-03-10T22:03:08	2025-06-08T22:03:07	newserver.ca.andersen.com	newserver.ca.andersen.com	C=US, O=Let's Encrypt, CN=R10
2025-03-10T23:01:38.987	2025-03-10T22:03:08	2025-06-08T22:03:07	newserver.ca.andersen.com	newserver.ca.andersen.com	C=US, O=Let's Encrypt, CN=R10