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

Results for*.sblcfast.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-06-09T22:07:46.597	2020-06-08T00:00:00	2021-06-08T12:00:00	*.sblcfast.com	*.sblcfast.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-06-09T22:07:46.597	2020-06-08T00:00:00	2021-06-08T12:00:00	*.sblcfast.com	*.sblcfast.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-06-08T00:46:41.288	2020-06-08T00:00:00	2021-06-08T12:00:00	*.sblcfast.com	*.sblcfast.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-06-08T00:46:41.288	2020-06-08T00:00:00	2021-06-08T12:00:00	*.sblcfast.com	*.sblcfast.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1