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

Results forwww.admin.datetimeoffset.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-09-21T07:48:15.353	2025-09-21T06:49:45	2025-12-20T06:49:44	www.admin.datetimeoffset.com	www.admin.datetimeoffset.com	C=US, O=Let's Encrypt, CN=R12
2025-09-21T07:48:15.133	2025-09-21T06:49:45	2025-12-20T06:49:44	www.admin.datetimeoffset.com	www.admin.datetimeoffset.com	C=US, O=Let's Encrypt, CN=R12
2025-06-28T11:36:31.798	2025-06-28T10:37:59	2025-09-26T10:37:58	www.admin.datetimeoffset.com	www.admin.datetimeoffset.com	C=US, O=Let's Encrypt, CN=R11
2025-06-28T11:36:29.448	2025-06-28T10:37:59	2025-09-26T10:37:58	www.admin.datetimeoffset.com	www.admin.datetimeoffset.com	C=US, O=Let's Encrypt, CN=R11
2025-04-03T21:33:32.15	2025-04-03T20:34:59	2025-07-02T20:34:58	www.admin.datetimeoffset.com	www.admin.datetimeoffset.com	C=US, O=Let's Encrypt, CN=R11
2025-04-03T21:33:30.053	2025-04-03T20:34:59	2025-07-02T20:34:58	www.admin.datetimeoffset.com	www.admin.datetimeoffset.com	C=US, O=Let's Encrypt, CN=R11