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

Results for*.telkr.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-07-07T11:03:28.796	2021-06-28T00:00:00	2022-06-28T23:59:59	telkr.com	*.telkr.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2021-07-07T11:03:28.796	2021-06-28T00:00:00	2022-06-28T23:59:59	telkr.com	*.telkr.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2021-06-28T00:46:51.923	2021-06-28T00:00:00	2022-06-28T23:59:59	telkr.com	*.telkr.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2021-06-28T00:46:51.923	2021-06-28T00:00:00	2022-06-28T23:59:59	telkr.com	*.telkr.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1