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

Results forredbusprimarydns.asistent.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-03-19T10:24:53.632	2025-03-19T09:26:23	2025-06-17T09:26:22	redbusprimarydns.asistent.com	redbusprimarydns.asistent.com	C=US, O=Let's Encrypt, CN=R10
2025-03-19T10:24:53.334	2025-03-19T09:26:23	2025-06-17T09:26:22	redbusprimarydns.asistent.com	redbusprimarydns.asistent.com	C=US, O=Let's Encrypt, CN=R10
2025-02-16T11:27:42.278	2025-02-16T10:29:11	2025-05-17T10:29:10	redbusprimarydns.asistent.com	redbusprimarydns.asistent.com	C=US, O=Let's Encrypt, CN=R11
2025-02-16T11:27:41.239	2025-02-16T10:29:11	2025-05-17T10:29:10	redbusprimarydns.asistent.com	redbusprimarydns.asistent.com	C=US, O=Let's Encrypt, CN=R11