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

Results for*.return.org

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-04-25T04:46:23.143	2020-04-22T00:00:00	2021-04-23T12:00:00	return.org	*.return.org	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-04-25T04:46:23.143	2020-04-22T00:00:00	2021-04-23T12:00:00	return.org	*.return.org	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-04-22T19:53:22.678	2020-04-22T00:00:00	2021-04-23T12:00:00	return.org	*.return.org	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-04-22T19:53:22.678	2020-04-22T00:00:00	2021-04-23T12:00:00	return.org	*.return.org	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1