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

Results forwww.michael-dev.workerbase.net

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-09-05T13:34:44.168	2025-09-05T12:36:12	2025-12-04T12:36:11	michael-dev.workerbase.net	michael-dev.workerbase.net	C=US, O=Let's Encrypt, CN=R13
2025-09-05T13:34:42.069	2025-09-05T12:36:12	2025-12-04T12:36:11	michael-dev.workerbase.net	michael-dev.workerbase.net	C=US, O=Let's Encrypt, CN=R13
2025-09-05T13:02:05.964	2025-09-05T12:03:35	2025-12-04T12:03:34	michael-dev.workerbase.net	michael-dev.workerbase.net	C=US, O=Let's Encrypt, CN=R13
2025-09-05T13:02:05.821	2025-09-05T12:03:35	2025-12-04T12:03:34	michael-dev.workerbase.net	michael-dev.workerbase.net	C=US, O=Let's Encrypt, CN=R13