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

Results forcom-eat.co

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2022-06-11T19:31:00.202	2022-06-11T18:31:00	2022-09-09T18:30:59	com-eat.co	com-eat.co	C=US, O=Let's Encrypt, CN=R3
2022-06-11T19:31:00.065	2022-06-11T18:31:00	2022-09-09T18:30:59	com-eat.co	com-eat.co	C=US, O=Let's Encrypt, CN=R3
2021-06-22T12:01:16.762	2021-06-22T00:00:00	2021-09-20T23:59:59	com-eat.co	com-eat.co	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2021-06-22T12:01:16.366	2021-06-22T00:00:00	2021-09-20T23:59:59	com-eat.co	com-eat.co	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"