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

Results forsite.rubyengagementring.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-09-05T16:18:07.596	2025-09-05T15:19:37	2025-12-04T15:19:36	www.site.rubyengagementring.com	www.site.rubyengagementring.com	C=US, O=Let's Encrypt, CN=R12
2025-09-05T16:18:07.473	2025-09-05T15:19:37	2025-12-04T15:19:36	www.site.rubyengagementring.com	www.site.rubyengagementring.com	C=US, O=Let's Encrypt, CN=R12
2025-09-01T08:18:09.542	2025-09-01T07:19:38	2025-11-30T07:19:37	site.rubyengagementring.com	site.rubyengagementring.com	C=US, O=Let's Encrypt, CN=R13
2025-09-01T08:18:09.045	2025-09-01T07:19:38	2025-11-30T07:19:37	site.rubyengagementring.com	site.rubyengagementring.com	C=US, O=Let's Encrypt, CN=R13