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

Results for*.mapzin.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-07-21T18:23:52.764	2020-07-17T00:00:00	2021-07-18T12:00:00	mapzin.com	*.mapzin.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-07-21T18:23:52.764	2020-07-17T00:00:00	2021-07-18T12:00:00	mapzin.com	*.mapzin.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-07-17T10:40:03.343	2020-07-17T00:00:00	2021-07-18T12:00:00	mapzin.com	*.mapzin.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-07-17T10:40:03.343	2020-07-17T00:00:00	2021-07-18T12:00:00	mapzin.com	*.mapzin.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1