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

Results for*.facetcorp.co

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-09-17T15:28:46.448	2020-09-17T14:28:46	2020-12-16T14:28:46	microsofftstream.com	*.facetcorp.co	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-09-17T15:28:46.448	2020-09-17T14:28:46	2020-12-16T14:28:46	microsofftstream.com	*.facetcorp.co	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-09-17T15:28:46.188	2020-09-17T14:28:46	2020-12-16T14:28:46	microsofftstream.com	*.facetcorp.co	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-09-17T15:28:46.188	2020-09-17T14:28:46	2020-12-16T14:28:46	microsofftstream.com	*.facetcorp.co	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-07-09T05:43:02.198	2020-07-09T04:43:01	2020-10-07T04:43:01	facetcorp.co	*.facetcorp.co	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-07-09T05:43:02.198	2020-07-09T04:43:01	2020-10-07T04:43:01	facetcorp.co	*.facetcorp.co	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-07-09T05:43:01.909	2020-07-09T04:43:01	2020-10-07T04:43:01	facetcorp.co	*.facetcorp.co	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-07-09T05:43:01.909	2020-07-09T04:43:01	2020-10-07T04:43:01	facetcorp.co	*.facetcorp.co	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3