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

Results forcpanel.singtestgroups.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-03-02T02:07:03.272	2025-03-02T01:08:32	2025-05-31T01:08:31	cpanel.singtestgroups.com	cpanel.singtestgroups.com	C=US, O=Let's Encrypt, CN=R11
2025-03-02T02:07:03.008	2025-03-02T01:08:32	2025-05-31T01:08:31	cpanel.singtestgroups.com	cpanel.singtestgroups.com	C=US, O=Let's Encrypt, CN=R11
2022-09-01T13:55:04.425	2022-09-01T12:55:04	2022-11-30T12:55:03	webmail.singtestgroups.com	cpanel.singtestgroups.com	C=US, O=Let's Encrypt, CN=R3
2022-09-01T13:55:04.227	2022-09-01T12:55:04	2022-11-30T12:55:03	webmail.singtestgroups.com	cpanel.singtestgroups.com	C=US, O=Let's Encrypt, CN=R3