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

Results forarchives.estotericsoftware.org

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-05-26T07:43:17.57	2025-05-26T06:44:46	2025-08-24T06:44:45	www.archives.estotericsoftware.org	www.archives.estotericsoftware.org	C=US, O=Let's Encrypt, CN=R11
2025-05-26T07:43:17.152	2025-05-26T06:44:46	2025-08-24T06:44:45	www.archives.estotericsoftware.org	www.archives.estotericsoftware.org	C=US, O=Let's Encrypt, CN=R11
2025-05-25T16:48:52.723	2025-05-25T15:50:20	2025-08-23T15:50:19	archives.estotericsoftware.org	archives.estotericsoftware.org	C=US, O=Let's Encrypt, CN=R11
2025-05-25T16:48:50.68	2025-05-25T15:50:20	2025-08-23T15:50:19	archives.estotericsoftware.org	archives.estotericsoftware.org	C=US, O=Let's Encrypt, CN=R11