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

Results for*.streamadda.cloudsysnetwork.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-08-13T12:21:33.718	2021-08-13T11:21:33	2021-11-11T11:21:31	streamadda.cloudsysnetwork.com	*.streamadda.cloudsysnetwork.com	C=US, O=Let's Encrypt, CN=R3
2021-08-13T12:21:33.718	2021-08-13T11:21:33	2021-11-11T11:21:31	streamadda.cloudsysnetwork.com	*.streamadda.cloudsysnetwork.com	C=US, O=Let's Encrypt, CN=R3
2021-08-13T12:21:33.541	2021-08-13T11:21:33	2021-11-11T11:21:31	streamadda.cloudsysnetwork.com	*.streamadda.cloudsysnetwork.com	C=US, O=Let's Encrypt, CN=R3
2021-08-13T12:21:33.541	2021-08-13T11:21:33	2021-11-11T11:21:31	streamadda.cloudsysnetwork.com	*.streamadda.cloudsysnetwork.com	C=US, O=Let's Encrypt, CN=R3