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

Results for*.letsmeet.today

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2019-12-15T03:14:13.561	2019-12-07T00:00:00	2020-12-07T12:00:00	letsmeet.today	*.letsmeet.today	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2019-12-15T03:14:13.561	2019-12-07T00:00:00	2020-12-07T12:00:00	letsmeet.today	*.letsmeet.today	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2019-12-07T08:26:44.867	2019-12-07T00:00:00	2020-12-07T12:00:00	letsmeet.today	*.letsmeet.today	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2019-12-07T08:26:44.867	2019-12-07T00:00:00	2020-12-07T12:00:00	letsmeet.today	*.letsmeet.today	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1