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

Results forwww.api.irreplaceable.net

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-10-23T10:23:07.355	2025-10-23T09:24:35	2026-01-21T09:24:34	www.api.irreplaceable.net	www.api.irreplaceable.net	C=US, O=Let's Encrypt, CN=R12
2025-10-23T10:23:05.272	2025-10-23T09:24:35	2026-01-21T09:24:34	www.api.irreplaceable.net	www.api.irreplaceable.net	C=US, O=Let's Encrypt, CN=R12
2025-07-17T23:16:12.656	2025-07-17T22:17:42	2025-10-15T22:17:41	www.api.irreplaceable.net	www.api.irreplaceable.net	C=US, O=Let's Encrypt, CN=R11
2025-07-17T23:16:12.416	2025-07-17T22:17:42	2025-10-15T22:17:41	www.api.irreplaceable.net	www.api.irreplaceable.net	C=US, O=Let's Encrypt, CN=R11