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

Results forwww.bigbased.basedhosting.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2022-08-08T12:49:39.549	2022-08-08T11:49:38	2022-11-06T11:49:37	bigbased.com	www.bigbased.basedhosting.com	C=US, O=Let's Encrypt, CN=R3
2022-08-08T12:49:39.156	2022-08-08T11:49:38	2022-11-06T11:49:37	bigbased.com	www.bigbased.basedhosting.com	C=US, O=Let's Encrypt, CN=R3
2022-06-08T12:38:41.216	2022-06-08T11:38:40	2022-09-06T11:38:39	*.bigbased.com	www.bigbased.basedhosting.com	C=US, O=Let's Encrypt, CN=R3
2022-06-08T12:38:41.022	2022-06-08T11:38:40	2022-09-06T11:38:39	*.bigbased.com	www.bigbased.basedhosting.com	C=US, O=Let's Encrypt, CN=R3
2022-03-27T17:22:47.492	2022-03-27T16:22:47	2022-06-25T16:22:46	*.basedhosting.com	www.bigbased.basedhosting.com	C=US, O=Let's Encrypt, CN=R3
2022-03-27T17:22:47.32	2022-03-27T16:22:47	2022-06-25T16:22:46	*.basedhosting.com	www.bigbased.basedhosting.com	C=US, O=Let's Encrypt, CN=R3