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

Results forwww.lightpathdarkpath.org

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-09-05T09:33:51.818	2021-09-05T08:33:51	2021-12-04T08:33:50	www.lightpathdarkpath.org	www.lightpathdarkpath.org	C=US, O=Let's Encrypt, CN=R3
2021-09-05T09:33:51.617	2021-09-05T08:33:51	2021-12-04T08:33:50	www.lightpathdarkpath.org	www.lightpathdarkpath.org	C=US, O=Let's Encrypt, CN=R3
2019-08-21T14:17:16.623	2019-08-21T13:17:15	2019-11-19T13:17:15	lightpath-darkpath.org	www.lightpathdarkpath.org	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-08-21T14:17:16.01	2019-08-21T13:17:15	2019-11-19T13:17:15	lightpath-darkpath.org	www.lightpathdarkpath.org	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3