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

Results for*.okula.co

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-09-11T11:36:33.503	2021-09-07T00:00:00	2022-09-07T23:59:59	okula.co	*.okula.co	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2021-09-11T11:36:33.503	2021-09-07T00:00:00	2022-09-07T23:59:59	okula.co	*.okula.co	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2021-09-07T19:39:53.746	2021-09-07T00:00:00	2022-09-07T23:59:59	okula.co	*.okula.co	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2021-09-07T19:39:53.746	2021-09-07T00:00:00	2022-09-07T23:59:59	okula.co	*.okula.co	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1