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

Results for*.netclimate.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-01-27T18:24:43.529	2020-01-07T00:00:00	2021-01-07T12:00:00	netclimate.com	*.netclimate.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-01-27T18:24:43.529	2020-01-07T00:00:00	2021-01-07T12:00:00	netclimate.com	*.netclimate.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-01-07T11:39:17.141	2020-01-07T00:00:00	2021-01-07T12:00:00	netclimate.com	*.netclimate.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-01-07T11:39:17.141	2020-01-07T00:00:00	2021-01-07T12:00:00	netclimate.com	*.netclimate.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1