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

Results foremp.rizmal.si

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-04-05T04:22:42.185	2020-04-05T03:22:41	2020-07-04T03:22:41	meerkat.dev.zoocommerce.tech	emp.rizmal.si	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-04-05T04:22:41.911	2020-04-05T03:22:41	2020-07-04T03:22:41	meerkat.dev.zoocommerce.tech	emp.rizmal.si	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-02-04T17:49:03.811	2020-02-04T16:49:03	2020-05-04T16:49:03	codigo.turnosweb.app	emp.rizmal.si	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-02-04T17:49:03.55	2020-02-04T16:49:03	2020-05-04T16:49:03	codigo.turnosweb.app	emp.rizmal.si	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-12-07T13:50:17.729	2019-12-07T12:50:17	2020-03-06T12:50:17	code-live.yah.ac	emp.rizmal.si	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-12-07T13:50:17.531	2019-12-07T12:50:17	2020-03-06T12:50:17	code-live.yah.ac	emp.rizmal.si	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-12-07T12:00:55.185	2019-12-07T11:00:55	2020-03-06T11:00:55	emp.rizmal.si	emp.rizmal.si	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-12-07T12:00:55.047	2019-12-07T11:00:55	2020-03-06T11:00:55	emp.rizmal.si	emp.rizmal.si	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3