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

Results forww38.admin.oncoursesystem.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-05-03T13:05:33.515	2025-05-03T12:07:03	2025-08-01T12:07:02	ww38.admin.oncoursesystem.com	ww38.admin.oncoursesystem.com	C=US, O=Let's Encrypt, CN=R10
2025-05-03T13:05:33.352	2025-05-03T12:07:03	2025-08-01T12:07:02	ww38.admin.oncoursesystem.com	ww38.admin.oncoursesystem.com	C=US, O=Let's Encrypt, CN=R10
2025-01-29T10:10:41.925	2025-01-29T09:12:11	2025-04-29T09:12:10	ww38.admin.oncoursesystem.com	ww38.admin.oncoursesystem.com	C=US, O=Let's Encrypt, CN=R11
2025-01-29T10:10:41.695	2025-01-29T09:12:11	2025-04-29T09:12:10	ww38.admin.oncoursesystem.com	ww38.admin.oncoursesystem.com	C=US, O=Let's Encrypt, CN=R11