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

Results forww38.dev.appsrackspace.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-10-10T02:16:12.959	2025-10-10T01:17:42	2026-01-08T01:17:41	ww38.dev.appsrackspace.com	ww38.dev.appsrackspace.com	C=US, O=Let's Encrypt, CN=R13
2025-10-10T02:16:12.77	2025-10-10T01:17:42	2026-01-08T01:17:41	ww38.dev.appsrackspace.com	ww38.dev.appsrackspace.com	C=US, O=Let's Encrypt, CN=R13
2025-07-12T01:16:11.237	2025-07-12T00:17:41	2025-10-10T00:17:40	ww38.dev.appsrackspace.com	ww38.dev.appsrackspace.com	C=US, O=Let's Encrypt, CN=R11
2025-07-12T01:16:11.143	2025-07-12T00:17:41	2025-10-10T00:17:40	ww38.dev.appsrackspace.com	ww38.dev.appsrackspace.com	C=US, O=Let's Encrypt, CN=R11