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

Results for*.dgio.me

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2019-02-27T21:01:42.991	2019-02-20T00:00:00	2020-02-16T12:00:00	*.dgio.me	*.dgio.me	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2019-02-27T21:01:42.991	2019-02-20T00:00:00	2020-02-16T12:00:00	*.dgio.me	*.dgio.me	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2019-02-20T20:44:57.521	2019-02-20T00:00:00	2020-02-16T12:00:00	*.dgio.me	*.dgio.me	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2019-02-20T20:44:57.521	2019-02-20T00:00:00	2020-02-16T12:00:00	*.dgio.me	*.dgio.me	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2019-02-16T21:45:35.684	2019-02-16T00:00:00	2020-02-16T12:00:00	*.dgio.me	*.dgio.me	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2019-02-16T21:45:35.684	2019-02-16T00:00:00	2020-02-16T12:00:00	*.dgio.me	*.dgio.me	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2019-02-16T21:37:48.735	2019-02-16T00:00:00	2020-02-16T12:00:00	*.dgio.me	*.dgio.me	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2019-02-16T21:37:48.735	2019-02-16T00:00:00	2020-02-16T12:00:00	*.dgio.me	*.dgio.me	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1