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

Results fordev.docp.ac

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-03-23T10:01:24.707	2021-03-21T03:52:48	2021-06-19T03:52:48	www.bixoe.com	dev.docp.ac	C=US, O=Google Trust Services, CN=GTS CA 1D2
2021-03-21T04:52:49.545	2021-03-21T03:52:48	2021-06-19T03:52:48	www.bixoe.com	dev.docp.ac	C=US, O=Google Trust Services, CN=GTS CA 1D2
2021-01-25T11:57:50.698	2021-01-21T18:28:17	2021-04-21T18:28:17	fuoriposa.com	dev.docp.ac	C=US, O=Google Trust Services, CN=GTS CA 1D2
2021-01-21T19:28:18.013	2021-01-21T18:28:17	2021-04-21T18:28:17	fuoriposa.com	dev.docp.ac	C=US, O=Google Trust Services, CN=GTS CA 1D2
2021-01-21T16:51:20.895	2021-01-21T15:51:20	2021-04-21T15:51:20	dev.docp.ac	dev.docp.ac	C=US, O=Let's Encrypt, CN=R3
2021-01-21T16:51:20.763	2021-01-21T15:51:20	2021-04-21T15:51:20	dev.docp.ac	dev.docp.ac	C=US, O=Let's Encrypt, CN=R3