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

Results forshop.boardit.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2022-02-17T17:16:47.579	2022-02-17T16:16:47	2022-05-18T16:16:46	boardit.com	*.boardit.com	C=US, O=Let's Encrypt, CN=E1
2022-02-17T17:16:47.354	2022-02-17T16:16:47	2022-05-18T16:16:46	boardit.com	*.boardit.com	C=US, O=Let's Encrypt, CN=E1
2021-12-02T05:17:36.401	2021-12-02T04:17:36	2022-03-02T04:17:35	shop.boardit.com	shop.boardit.com	C=US, O=Let's Encrypt, CN=R3
2021-12-02T05:17:36.228	2021-12-02T04:17:36	2022-03-02T04:17:35	shop.boardit.com	shop.boardit.com	C=US, O=Let's Encrypt, CN=R3
2021-09-03T03:46:15.557	2021-09-03T02:46:15	2021-12-02T02:46:14	shop.boardit.com	shop.boardit.com	C=US, O=Let's Encrypt, CN=R3
2021-09-03T03:46:15.337	2021-09-03T02:46:15	2021-12-02T02:46:14	shop.boardit.com	shop.boardit.com	C=US, O=Let's Encrypt, CN=R3