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

Results for*.wordneed.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-02-10T21:37:25.031	2020-02-06T00:00:00	2021-02-06T12:00:00	wordneed.com	*.wordneed.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-02-10T21:37:25.031	2020-02-06T00:00:00	2021-02-06T12:00:00	wordneed.com	*.wordneed.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-02-06T03:54:31.605	2020-02-06T00:00:00	2021-02-06T12:00:00	wordneed.com	*.wordneed.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-02-06T03:54:31.605	2020-02-06T00:00:00	2021-02-06T12:00:00	wordneed.com	*.wordneed.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1