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

Results forprats.crius.app

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-12-07T09:57:33.307	2020-12-05T03:58:21	2021-03-05T03:58:21	deimos.io	prats.crius.app	C=US, O=Google Trust Services, CN=GTS CA 1D2
2020-12-05T04:58:23.068	2020-12-05T03:58:21	2021-03-05T03:58:21	deimos.io	prats.crius.app	C=US, O=Google Trust Services, CN=GTS CA 1D2
2020-10-11T10:21:08.704	2020-10-08T19:28:58	2021-01-06T19:28:58	peronine.com	prats.crius.app	C=US, O=Google Trust Services, CN=GTS CA 1D2
2020-10-08T20:28:59.33	2020-10-08T19:28:58	2021-01-06T19:28:58	peronine.com	prats.crius.app	C=US, O=Google Trust Services, CN=GTS CA 1D2
2020-10-08T14:25:50.995	2020-10-08T13:25:50	2021-01-06T13:25:50	prats.crius.app	prats.crius.app	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-10-08T14:25:50.807	2020-10-08T13:25:50	2021-01-06T13:25:50	prats.crius.app	prats.crius.app	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3