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

Results for*.campitems.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2019-11-30T13:13:41.495	2019-11-27T00:00:00	2020-11-27T12:00:00	campitems.com	*.campitems.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2019-11-30T13:13:41.495	2019-11-27T00:00:00	2020-11-27T12:00:00	campitems.com	*.campitems.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2019-11-27T03:31:44.466	2019-11-27T00:00:00	2020-11-27T12:00:00	campitems.com	*.campitems.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2019-11-27T03:31:44.466	2019-11-27T00:00:00	2020-11-27T12:00:00	campitems.com	*.campitems.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1