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

Results for*.uxwebinar.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-05-28T22:17:50.667	2020-05-21T00:00:00	2021-05-22T12:00:00	uxwebinar.com	*.uxwebinar.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-05-28T22:17:50.667	2020-05-21T00:00:00	2021-05-22T12:00:00	uxwebinar.com	*.uxwebinar.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-05-21T09:53:19.403	2020-05-21T00:00:00	2021-05-22T12:00:00	uxwebinar.com	*.uxwebinar.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-05-21T09:53:19.403	2020-05-21T00:00:00	2021-05-22T12:00:00	uxwebinar.com	*.uxwebinar.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1