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

Results forwebdisk.portal.cloudloop.com.au

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-09-03T01:58:08.63	2020-09-03T00:00:00	2020-12-02T23:59:59	portal.cloudloop.com.au	webdisk.portal.cloudloop.com.au	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2020-09-03T01:58:08.047	2020-09-03T00:00:00	2020-12-02T23:59:59	portal.cloudloop.com.au	webdisk.portal.cloudloop.com.au	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2020-06-19T06:50:00.831	2020-06-19T00:00:00	2020-09-17T23:59:59	portal.cloudloop.com.au	webdisk.portal.cloudloop.com.au	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2020-06-19T06:50:00.509	2020-06-19T00:00:00	2020-09-17T23:59:59	portal.cloudloop.com.au	webdisk.portal.cloudloop.com.au	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"