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

Results forconnect.docs.localsecurity.org

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2023-10-05T12:46:13.619	2023-10-05T11:44:58	2024-01-03T12:43:56	connect.docs.localsecurity.org	connect.docs.localsecurity.org	C=US, O=Google Trust Services LLC, CN=GTS CA 1P5
2023-10-05T12:44:59.182	2023-10-05T11:44:58	2024-01-03T12:43:56	connect.docs.localsecurity.org	connect.docs.localsecurity.org	C=US, O=Google Trust Services LLC, CN=GTS CA 1P5
2023-08-13T23:44:47.335	2023-08-13T22:44:47	2023-11-11T22:44:46	connect.docs.localsecurity.org	connect.docs.localsecurity.org	C=US, O=Let's Encrypt, CN=R3
2023-08-13T23:44:47.201	2023-08-13T22:44:47	2023-11-11T22:44:46	connect.docs.localsecurity.org	connect.docs.localsecurity.org	C=US, O=Let's Encrypt, CN=R3