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

Results forwebdisk.vps.accesssol.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-04-04T20:21:28.443	2020-04-04T19:21:28	2020-07-03T19:21:28	vps.accesssol.com	*.vps.accesssol.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-04-04T20:21:28.316	2020-04-04T19:21:28	2020-07-03T19:21:28	vps.accesssol.com	*.vps.accesssol.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-03-25T14:16:51.255	2020-03-25T00:00:00	2020-06-23T23:59:59	vps.accesssol.com	webdisk.vps.accesssol.com	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2020-03-25T14:16:50.623	2020-03-25T00:00:00	2020-06-23T23:59:59	vps.accesssol.com	webdisk.vps.accesssol.com	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"