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

Results forwww.testmulti-api.petroil.dev

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-11-22T18:50:15.818	2025-11-22T17:51:45	2026-02-20T17:51:44	testmulti-api.petroil.dev	testmulti-api.petroil.dev	C=US, O=Let's Encrypt, CN=R12
2025-11-22T18:50:15.569	2025-11-22T17:51:45	2026-02-20T17:51:44	testmulti-api.petroil.dev	testmulti-api.petroil.dev	C=US, O=Let's Encrypt, CN=R12
2025-09-23T21:02:48.388	2025-09-23T20:04:18	2025-12-22T20:04:17	dev-api.petroil.dev	testmulti-api.petroil.dev	C=US, O=Let's Encrypt, CN=R12
2025-09-23T21:02:48.205	2025-09-23T20:04:18	2025-12-22T20:04:17	dev-api.petroil.dev	testmulti-api.petroil.dev	C=US, O=Let's Encrypt, CN=R12