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

Results for*.coolcube.co

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2022-11-30T10:16:38.381	2022-11-30T09:16:37	2023-02-28T09:16:36	*.coolcube.co	*.coolcube.co	C=US, O=Let's Encrypt, CN=E1
2022-11-30T10:16:38.381	2022-11-30T09:16:37	2023-02-28T09:16:36	*.coolcube.co	*.coolcube.co	C=US, O=Let's Encrypt, CN=E1
2022-11-30T10:16:38.076	2022-11-30T09:16:37	2023-02-28T09:16:36	*.coolcube.co	*.coolcube.co	C=US, O=Let's Encrypt, CN=E1
2022-11-30T10:16:38.076	2022-11-30T09:16:37	2023-02-28T09:16:36	*.coolcube.co	*.coolcube.co	C=US, O=Let's Encrypt, CN=E1
2022-11-30T06:50:27.612	2022-11-30T05:50:26	2023-02-28T05:50:25	*.coolcube.co	*.coolcube.co	C=US, O=Google Trust Services LLC, CN=GTS CA 1P5
2022-11-30T06:50:27.612	2022-11-30T05:50:26	2023-02-28T05:50:25	*.coolcube.co	*.coolcube.co	C=US, O=Google Trust Services LLC, CN=GTS CA 1P5