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

Results forhostmaster.dev.dailycatalyst.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-02-13T11:38:48.599	2025-02-13T10:40:18	2025-05-14T10:40:17	www.hostmaster.dev.dailycatalyst.com	www.hostmaster.dev.dailycatalyst.com	C=US, O=Let's Encrypt, CN=R10
2025-02-13T11:38:48.331	2025-02-13T10:40:18	2025-05-14T10:40:17	www.hostmaster.dev.dailycatalyst.com	www.hostmaster.dev.dailycatalyst.com	C=US, O=Let's Encrypt, CN=R10
2025-01-24T05:26:09.39	2025-01-24T04:27:39	2025-04-24T04:27:38	hostmaster.dev.dailycatalyst.com	hostmaster.dev.dailycatalyst.com	C=US, O=Let's Encrypt, CN=R10
2025-01-24T05:26:09.255	2025-01-24T04:27:39	2025-04-24T04:27:38	hostmaster.dev.dailycatalyst.com	hostmaster.dev.dailycatalyst.com	C=US, O=Let's Encrypt, CN=R10