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

Results for*.blockchaindevelopment.org

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-11-23T19:05:24.071	2025-11-23T18:06:53	2026-02-21T18:06:52	*.blockchaindevelopment.org	*.blockchaindevelopment.org	C=US, O=Let's Encrypt, CN=R12
2025-11-23T19:05:24.071	2025-11-23T18:06:53	2026-02-21T18:06:52	*.blockchaindevelopment.org	*.blockchaindevelopment.org	C=US, O=Let's Encrypt, CN=R12
2025-11-23T19:05:23.721	2025-11-23T18:06:53	2026-02-21T18:06:52	*.blockchaindevelopment.org	*.blockchaindevelopment.org	C=US, O=Let's Encrypt, CN=R12
2025-11-23T19:05:23.721	2025-11-23T18:06:53	2026-02-21T18:06:52	*.blockchaindevelopment.org	*.blockchaindevelopment.org	C=US, O=Let's Encrypt, CN=R12