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

Results forwww.postaquick-server.onrender.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2023-10-07T11:44:11.021	2023-10-07T00:00:00	2024-10-05T23:59:59	postaquick-server.onrender.com	postaquick-server.onrender.com	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2023-10-07T11:42:55.516	2023-10-07T00:00:00	2024-10-05T23:59:59	postaquick-server.onrender.com	postaquick-server.onrender.com	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2023-10-07T11:42:54.588	2023-10-07T00:00:00	2024-10-05T23:59:59	postaquick-server.onrender.com	postaquick-server.onrender.com	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc RSA CA-2