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

Results forbeta.createfoundations.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-11-09T09:59:56.091	2020-11-06T16:24:28	2021-02-04T16:24:28	sksconsultants.in	beta.createfoundations.com	C=US, O=Google Trust Services, CN=GTS CA 1D2
2020-11-06T17:24:29.846	2020-11-06T16:24:28	2021-02-04T16:24:28	sksconsultants.in	beta.createfoundations.com	C=US, O=Google Trust Services, CN=GTS CA 1D2
2020-11-06T14:56:16.44	2020-11-06T13:56:16	2021-02-04T13:56:16	beta.createfoundations.com	beta.createfoundations.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-11-06T14:56:16.244	2020-11-06T13:56:16	2021-02-04T13:56:16	beta.createfoundations.com	beta.createfoundations.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3