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

Results for*.reaug.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-01-09T19:11:29.887	2019-12-11T00:00:00	2020-12-11T12:00:00	reaug.com	*.reaug.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-01-09T19:11:29.887	2019-12-11T00:00:00	2020-12-11T12:00:00	reaug.com	*.reaug.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2019-12-11T08:20:35.122	2019-12-11T00:00:00	2020-12-11T12:00:00	reaug.com	*.reaug.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2019-12-11T08:20:35.122	2019-12-11T00:00:00	2020-12-11T12:00:00	reaug.com	*.reaug.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1