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

Results for*.itqual.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-05-16T16:40:22.243	2020-05-13T00:00:00	2021-05-14T12:00:00	itqual.com	*.itqual.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-05-16T16:40:22.243	2020-05-13T00:00:00	2021-05-14T12:00:00	itqual.com	*.itqual.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-05-13T10:06:20.762	2020-05-13T00:00:00	2021-05-14T12:00:00	itqual.com	*.itqual.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-05-13T10:06:20.762	2020-05-13T00:00:00	2021-05-14T12:00:00	itqual.com	*.itqual.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1