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

Results forcn.rubyengagementring.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-10-27T03:18:51.685	2025-10-27T02:20:21	2026-01-25T02:20:20	www.cn.rubyengagementring.com	www.cn.rubyengagementring.com	C=US, O=Let's Encrypt, CN=R13
2025-10-27T03:18:51.419	2025-10-27T02:20:21	2026-01-25T02:20:20	www.cn.rubyengagementring.com	www.cn.rubyengagementring.com	C=US, O=Let's Encrypt, CN=R13
2025-08-29T04:49:33.557	2025-08-29T03:51:03	2025-11-27T03:51:02	cn.rubyengagementring.com	cn.rubyengagementring.com	C=US, O=Let's Encrypt, CN=R12
2025-08-29T04:49:33.21	2025-08-29T03:51:03	2025-11-27T03:51:02	cn.rubyengagementring.com	cn.rubyengagementring.com	C=US, O=Let's Encrypt, CN=R12