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

Results forwebdisk.subrigo.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-09-29T06:45:14.443	2021-09-29T00:00:00	2021-12-28T23:59:59	www.subrigo.com	webdisk.subrigo.com	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2021-09-29T06:45:13.482	2021-09-29T00:00:00	2021-12-28T23:59:59	www.subrigo.com	webdisk.subrigo.com	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2021-06-20T05:42:17.129	2021-06-20T00:00:00	2021-09-18T23:59:59	subrigo.com	webdisk.subrigo.com	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2021-06-20T05:42:14.128	2021-06-20T00:00:00	2021-09-18T23:59:59	subrigo.com	webdisk.subrigo.com	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2021-04-03T06:13:24.071	2021-04-03T00:00:00	2021-07-02T23:59:59	subrigo.com	webdisk.subrigo.com	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2021-04-03T06:13:23.633	2021-04-03T00:00:00	2021-07-02T23:59:59	subrigo.com	webdisk.subrigo.com	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2021-01-17T20:52:44.806	2021-01-17T00:00:00	2021-04-17T23:59:59	subrigo.com	webdisk.subrigo.com	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2021-01-17T20:52:44.012	2021-01-17T00:00:00	2021-04-17T23:59:59	subrigo.com	webdisk.subrigo.com	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"