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

Results for*.quipedia.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-03-01T19:30:56.885	2019-12-08T00:00:00	2020-12-08T12:00:00	quipedia.com	*.quipedia.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-03-01T19:30:56.885	2019-12-08T00:00:00	2020-12-08T12:00:00	quipedia.com	*.quipedia.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2019-12-08T07:28:41.331	2019-12-08T00:00:00	2020-12-08T12:00:00	quipedia.com	*.quipedia.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2019-12-08T07:28:41.331	2019-12-08T00:00:00	2020-12-08T12:00:00	quipedia.com	*.quipedia.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1