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

Results forgateway.lightingtimer.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-09-20T20:30:53.865	2025-09-20T19:32:23	2025-12-19T19:32:22	gateway.lightingtimer.com	gateway.lightingtimer.com	C=US, O=Let's Encrypt, CN=R13
2025-09-20T20:30:53.594	2025-09-20T19:32:23	2025-12-19T19:32:22	gateway.lightingtimer.com	gateway.lightingtimer.com	C=US, O=Let's Encrypt, CN=R13
2023-01-17T18:08:36.691	2023-01-17T17:08:36	2023-04-17T17:08:35	lightingtimer.com	*.lightingtimer.com	C=US, O=Let's Encrypt, CN=R3
2023-01-17T18:08:36.432	2023-01-17T17:08:36	2023-04-17T17:08:35	lightingtimer.com	*.lightingtimer.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T16:07:07.11	2022-11-18T15:07:06	2023-02-16T15:07:05	lightingtimer.com	*.lightingtimer.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T16:07:06.335	2022-11-18T15:07:06	2023-02-16T15:07:05	lightingtimer.com	*.lightingtimer.com	C=US, O=Let's Encrypt, CN=R3