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

Results forwebdisk.billionaireprotocol.buzz

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-09-12T13:47:15.467	2021-09-12T12:47:15	2021-12-11T12:47:14	billionaireprotocol.buzz	*.billionaireprotocol.buzz	C=US, O=Let's Encrypt, CN=R3
2021-09-12T13:47:15.17	2021-09-12T12:47:15	2021-12-11T12:47:14	billionaireprotocol.buzz	*.billionaireprotocol.buzz	C=US, O=Let's Encrypt, CN=R3
2020-08-13T11:46:39.053	2020-08-13T00:00:00	2020-11-11T23:59:59	billionaireprotocol.buzz	webdisk.billionaireprotocol.buzz	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2020-08-13T11:46:38.462	2020-08-13T00:00:00	2020-11-11T23:59:59	billionaireprotocol.buzz	webdisk.billionaireprotocol.buzz	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"