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

Results for*.digitising.org

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-05-17T01:02:19.631	2021-05-17T00:00:00	2022-05-17T23:59:59	digitising.org	*.digitising.org	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2021-05-17T01:02:19.631	2021-05-17T00:00:00	2022-05-17T23:59:59	digitising.org	*.digitising.org	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-04-21T04:00:07.528	2020-04-17T00:00:00	2021-04-18T12:00:00	digitising.org	*.digitising.org	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-04-21T04:00:07.528	2020-04-17T00:00:00	2021-04-18T12:00:00	digitising.org	*.digitising.org	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-04-17T05:04:40.25	2020-04-17T00:00:00	2021-04-18T12:00:00	digitising.org	*.digitising.org	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-04-17T05:04:40.25	2020-04-17T00:00:00	2021-04-18T12:00:00	digitising.org	*.digitising.org	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1