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

Results for*.datama.de

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2022-11-11T20:06:20.503	2022-11-11T19:06:19	2023-02-09T19:06:18	datama.de	*.datama.de	C=US, O=Let's Encrypt, CN=E1
2022-11-11T20:06:20.503	2022-11-11T19:06:19	2023-02-09T19:06:18	datama.de	*.datama.de	C=US, O=Let's Encrypt, CN=E1
2022-11-11T20:06:19.806	2022-11-11T19:06:19	2023-02-09T19:06:18	datama.de	*.datama.de	C=US, O=Let's Encrypt, CN=E1
2022-11-11T20:06:19.806	2022-11-11T19:06:19	2023-02-09T19:06:18	datama.de	*.datama.de	C=US, O=Let's Encrypt, CN=E1
2021-10-03T22:18:46.207	2021-10-03T00:00:00	2022-10-03T23:59:59	datama.de	*.datama.de	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2021-10-03T22:18:46.207	2021-10-03T00:00:00	2022-10-03T23:59:59	datama.de	*.datama.de	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1