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

Results forwebdisk.daveburrell.tech

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2018-07-09T22:18:31.588	2018-07-09T00:00:00	2018-10-07T23:59:59	daveburrell.tech	webdisk.daveburrell.tech	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2018-07-09T22:18:17.095	2018-07-09T00:00:00	2018-10-07T23:59:59	daveburrell.tech	webdisk.daveburrell.tech	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2018-04-24T22:30:06.607	2018-04-24T00:00:00	2018-07-23T23:59:59	webmail.daveburrell.tech	webdisk.daveburrell.tech	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2018-04-24T22:29:50.226	2018-04-24T00:00:00	2018-07-23T23:59:59	webmail.daveburrell.tech	webdisk.daveburrell.tech	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"