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

Results for*.siteextra.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2022-02-24T19:22:21.937	2021-11-09T00:00:00	2022-11-09T23:59:59	siteextra.com	*.siteextra.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2022-02-24T19:22:21.937	2021-11-09T00:00:00	2022-11-09T23:59:59	siteextra.com	*.siteextra.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2021-11-09T19:47:56.113	2021-11-09T00:00:00	2022-11-09T23:59:59	siteextra.com	*.siteextra.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2021-11-09T19:47:56.113	2021-11-09T00:00:00	2022-11-09T23:59:59	siteextra.com	*.siteextra.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-07-15T05:20:16.024	2020-07-15T00:00:00	2021-07-16T12:00:00	siteextra.com	*.siteextra.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-07-15T05:20:16.024	2020-07-15T00:00:00	2021-07-16T12:00:00	siteextra.com	*.siteextra.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1