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

Results formember.simulatedstone.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-11-09T05:39:02.319	2025-11-09T04:40:31	2026-02-07T04:40:30	member.simulatedstone.com	member.simulatedstone.com	C=US, O=Let's Encrypt, CN=R13
2025-11-09T05:39:02.091	2025-11-09T04:40:31	2026-02-07T04:40:30	member.simulatedstone.com	member.simulatedstone.com	C=US, O=Let's Encrypt, CN=R13
2023-01-17T17:09:15.673	2023-01-17T16:09:15	2023-04-17T16:09:14	simulatedstone.com	*.simulatedstone.com	C=US, O=Let's Encrypt, CN=R3
2023-01-17T17:09:15.574	2023-01-17T16:09:15	2023-04-17T16:09:14	simulatedstone.com	*.simulatedstone.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T15:09:18.183	2022-11-18T14:09:17	2023-02-16T14:09:16	simulatedstone.com	*.simulatedstone.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T15:09:17.549	2022-11-18T14:09:17	2023-02-16T14:09:16	simulatedstone.com	*.simulatedstone.com	C=US, O=Let's Encrypt, CN=R3