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

Results for*.3ichina.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2023-04-18T08:40:50.328	2023-04-18T07:40:49	2023-07-17T07:40:48	3ichina.com	*.3ichina.com	C=US, O=Let's Encrypt, CN=E1
2023-04-18T08:40:50.328	2023-04-18T07:40:49	2023-07-17T07:40:48	3ichina.com	*.3ichina.com	C=US, O=Let's Encrypt, CN=E1
2023-04-18T08:40:49.596	2023-04-18T07:40:49	2023-07-17T07:40:48	3ichina.com	*.3ichina.com	C=US, O=Let's Encrypt, CN=E1
2023-04-18T08:40:49.596	2023-04-18T07:40:49	2023-07-17T07:40:48	3ichina.com	*.3ichina.com	C=US, O=Let's Encrypt, CN=E1
2023-04-18T06:18:33.094	2023-04-18T05:18:32	2023-07-17T05:18:31	3ichina.com	*.3ichina.com	C=US, O=Google Trust Services LLC, CN=GTS CA 1P5
2023-04-18T06:18:33.094	2023-04-18T05:18:32	2023-07-17T05:18:31	3ichina.com	*.3ichina.com	C=US, O=Google Trust Services LLC, CN=GTS CA 1P5