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

Results for*.maklr.nl

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-01-28T07:45:41.502	2021-01-28T06:45:40	2021-04-28T06:45:40	maklr.nl	*.maklr.nl	C=US, O=Let's Encrypt, CN=R3
2021-01-28T07:45:41.502	2021-01-28T06:45:40	2021-04-28T06:45:40	maklr.nl	*.maklr.nl	C=US, O=Let's Encrypt, CN=R3
2021-01-28T07:45:40.506	2021-01-28T06:45:40	2021-04-28T06:45:40	maklr.nl	*.maklr.nl	C=US, O=Let's Encrypt, CN=R3
2021-01-28T07:45:40.506	2021-01-28T06:45:40	2021-04-28T06:45:40	maklr.nl	*.maklr.nl	C=US, O=Let's Encrypt, CN=R3
2020-10-27T14:58:34.291	2020-10-27T13:58:34	2021-01-25T13:58:34	maklr.nl	*.maklr.nl	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-10-27T14:58:34.291	2020-10-27T13:58:34	2021-01-25T13:58:34	maklr.nl	*.maklr.nl	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-10-27T14:58:34.099	2020-10-27T13:58:34	2021-01-25T13:58:34	maklr.nl	*.maklr.nl	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-10-27T14:58:34.099	2020-10-27T13:58:34	2021-01-25T13:58:34	maklr.nl	*.maklr.nl	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3