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

Results for*.ypwpi.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2023-06-15T05:37:57.807	2023-06-15T04:37:57	2023-09-13T04:37:56	ypwpi.com	*.ypwpi.com	C=US, O=Let's Encrypt, CN=E1
2023-06-15T05:37:57.807	2023-06-15T04:37:57	2023-09-13T04:37:56	ypwpi.com	*.ypwpi.com	C=US, O=Let's Encrypt, CN=E1
2023-06-15T05:37:57.515	2023-06-15T04:37:57	2023-09-13T04:37:56	ypwpi.com	*.ypwpi.com	C=US, O=Let's Encrypt, CN=E1
2023-06-15T05:37:57.515	2023-06-15T04:37:57	2023-09-13T04:37:56	ypwpi.com	*.ypwpi.com	C=US, O=Let's Encrypt, CN=E1
2023-06-15T05:36:44.649	2023-06-15T04:36:43	2023-09-13T04:36:42	ypwpi.com	*.ypwpi.com	C=US, O=Google Trust Services LLC, CN=GTS CA 1P5
2023-06-15T05:36:44.649	2023-06-15T04:36:43	2023-09-13T04:36:42	ypwpi.com	*.ypwpi.com	C=US, O=Google Trust Services LLC, CN=GTS CA 1P5