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

Results for*.devadmin.thestacksystem.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-12-12T23:09:22.413	2025-12-12T22:09:21	2026-03-12T23:05:16	devadmin.thestacksystem.com	*.devadmin.thestacksystem.com	C=US, O=Google Trust Services, CN=WR3
2025-12-12T23:09:22.413	2025-12-12T22:09:21	2026-03-12T23:05:16	devadmin.thestacksystem.com	*.devadmin.thestacksystem.com	C=US, O=Google Trust Services, CN=WR3
2025-10-20T17:58:58.973	2025-10-20T12:46:45	2026-01-18T13:32:34	devadmin.thestacksystem.com	*.devadmin.thestacksystem.com	C=US, O=Google Trust Services, CN=WR3
2025-10-20T17:58:58.973	2025-10-20T12:46:45	2026-01-18T13:32:34	devadmin.thestacksystem.com	*.devadmin.thestacksystem.com	C=US, O=Google Trust Services, CN=WR3
2025-10-20T13:46:45.959	2025-10-20T12:46:45	2026-01-18T13:32:34	devadmin.thestacksystem.com	*.devadmin.thestacksystem.com	C=US, O=Google Trust Services, CN=WR3
2025-10-20T13:46:45.959	2025-10-20T12:46:45	2026-01-18T13:32:34	devadmin.thestacksystem.com	*.devadmin.thestacksystem.com	C=US, O=Google Trust Services, CN=WR3