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

Results forstaging.smssendingsoftware.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-11-21T08:21:51.845	2025-11-21T07:23:21	2026-02-19T07:23:20	staging.smssendingsoftware.com	staging.smssendingsoftware.com	C=US, O=Let's Encrypt, CN=R12
2025-11-21T08:21:51.264	2025-11-21T07:23:21	2026-02-19T07:23:20	staging.smssendingsoftware.com	staging.smssendingsoftware.com	C=US, O=Let's Encrypt, CN=R12
2023-01-17T19:09:59.585	2023-01-17T18:09:59	2023-04-17T18:09:58	smssendingsoftware.com	*.smssendingsoftware.com	C=US, O=Let's Encrypt, CN=R3
2023-01-17T19:09:59.393	2023-01-17T18:09:59	2023-04-17T18:09:58	smssendingsoftware.com	*.smssendingsoftware.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T17:10:19.214	2022-11-18T16:10:18	2023-02-16T16:10:17	smssendingsoftware.com	*.smssendingsoftware.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T17:10:18.854	2022-11-18T16:10:18	2023-02-16T16:10:17	smssendingsoftware.com	*.smssendingsoftware.com	C=US, O=Let's Encrypt, CN=R3