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

Results for*.maponline.org

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-07-10T05:17:54.878	2020-07-06T00:00:00	2021-07-07T12:00:00	maponline.org	*.maponline.org	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-07-10T05:17:54.878	2020-07-06T00:00:00	2021-07-07T12:00:00	maponline.org	*.maponline.org	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-07-06T20:56:52.652	2020-07-06T00:00:00	2021-07-07T12:00:00	maponline.org	*.maponline.org	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-07-06T20:56:52.652	2020-07-06T00:00:00	2021-07-07T12:00:00	maponline.org	*.maponline.org	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1