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

Results for*.gramtree.website

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-07-27T02:04:11.796	2021-07-27T01:04:11	2021-10-25T01:04:09	petcaresuplies.com	*.gramtree.website	C=US, O=Let's Encrypt, CN=R3
2021-07-27T02:04:11.796	2021-07-27T01:04:11	2021-10-25T01:04:09	petcaresuplies.com	*.gramtree.website	C=US, O=Let's Encrypt, CN=R3
2021-07-27T02:04:11.567	2021-07-27T01:04:11	2021-10-25T01:04:09	petcaresuplies.com	*.gramtree.website	C=US, O=Let's Encrypt, CN=R3
2021-07-27T02:04:11.567	2021-07-27T01:04:11	2021-10-25T01:04:09	petcaresuplies.com	*.gramtree.website	C=US, O=Let's Encrypt, CN=R3
2021-05-28T02:01:14.713	2021-05-28T01:01:14	2021-08-26T01:01:14	shipedge.co	*.gramtree.website	C=US, O=Let's Encrypt, CN=R3
2021-05-28T02:01:14.713	2021-05-28T01:01:14	2021-08-26T01:01:14	shipedge.co	*.gramtree.website	C=US, O=Let's Encrypt, CN=R3
2021-05-28T02:01:14.422	2021-05-28T01:01:14	2021-08-26T01:01:14	shipedge.co	*.gramtree.website	C=US, O=Let's Encrypt, CN=R3
2021-05-28T02:01:14.422	2021-05-28T01:01:14	2021-08-26T01:01:14	shipedge.co	*.gramtree.website	C=US, O=Let's Encrypt, CN=R3