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

Results forhostmaster.hebrewguide.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-11-10T20:11:33.607	2021-11-10T19:11:33	2022-02-08T19:11:32	www.hostmaster.hebrewguide.com	www.hostmaster.hebrewguide.com	C=US, O=Let's Encrypt, CN=R3
2021-11-10T20:11:33.437	2021-11-10T19:11:33	2022-02-08T19:11:32	www.hostmaster.hebrewguide.com	www.hostmaster.hebrewguide.com	C=US, O=Let's Encrypt, CN=R3
2021-10-31T06:25:23.309	2021-10-31T05:25:22	2022-01-29T05:25:21	hostmaster.hebrewguide.com	hostmaster.hebrewguide.com	C=US, O=Let's Encrypt, CN=R3
2021-10-31T06:25:23.12	2021-10-31T05:25:22	2022-01-29T05:25:21	hostmaster.hebrewguide.com	hostmaster.hebrewguide.com	C=US, O=Let's Encrypt, CN=R3