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

Results forcpanel.getrobyte.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2022-04-23T13:04:14.701	2022-04-23T12:04:14	2022-07-22T12:04:13	cpanel.getrobyte.com	cpanel.getrobyte.com	C=US, O=Let's Encrypt, CN=R3
2022-04-23T13:04:14.537	2022-04-23T12:04:14	2022-07-22T12:04:13	cpanel.getrobyte.com	cpanel.getrobyte.com	C=US, O=Let's Encrypt, CN=R3
2021-11-05T01:05:00.84	2021-11-05T00:00:00	2022-02-03T23:59:59	getrobyte.com	cpanel.getrobyte.com	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2021-11-05T01:04:59.386	2021-11-05T00:00:00	2022-02-03T23:59:59	getrobyte.com	cpanel.getrobyte.com	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"