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

Results for*.samgross.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2023-01-17T17:07:23.851	2023-01-17T16:07:23	2023-04-17T16:07:22	samgross.com	*.samgross.com	C=US, O=Let's Encrypt, CN=R3
2023-01-17T17:07:23.851	2023-01-17T16:07:23	2023-04-17T16:07:22	samgross.com	*.samgross.com	C=US, O=Let's Encrypt, CN=R3
2023-01-17T17:07:23.757	2023-01-17T16:07:23	2023-04-17T16:07:22	samgross.com	*.samgross.com	C=US, O=Let's Encrypt, CN=R3
2023-01-17T17:07:23.757	2023-01-17T16:07:23	2023-04-17T16:07:22	samgross.com	*.samgross.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T15:07:22.851	2022-11-18T14:07:22	2023-02-16T14:07:21	samgross.com	*.samgross.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T15:07:22.851	2022-11-18T14:07:22	2023-02-16T14:07:21	samgross.com	*.samgross.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T15:07:22.646	2022-11-18T14:07:22	2023-02-16T14:07:21	samgross.com	*.samgross.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T15:07:22.646	2022-11-18T14:07:22	2023-02-16T14:07:21	samgross.com	*.samgross.com	C=US, O=Let's Encrypt, CN=R3