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

Results for*.weitpost.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-07-02T00:49:08.858	2020-06-17T00:00:00	2021-06-18T12:00:00	weitpost.com	*.weitpost.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-07-02T00:49:08.858	2020-06-17T00:00:00	2021-06-18T12:00:00	weitpost.com	*.weitpost.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-06-17T10:04:10.678	2020-06-17T00:00:00	2021-06-18T12:00:00	weitpost.com	*.weitpost.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-06-17T10:04:10.678	2020-06-17T00:00:00	2021-06-18T12:00:00	weitpost.com	*.weitpost.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1