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

Results forcom.pphost247.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2022-05-22T04:21:18.18	2022-05-22T03:21:17	2022-08-20T03:21:16	robertreddlegend.com.pphost247.com	robertreddlegend.com.pphost247.com	C=US, O=Let's Encrypt, CN=R3
2022-05-22T04:21:17.689	2022-05-22T03:21:17	2022-08-20T03:21:16	robertreddlegend.com.pphost247.com	robertreddlegend.com.pphost247.com	C=US, O=Let's Encrypt, CN=R3
2021-08-14T17:02:52.893	2021-08-14T16:02:52	2021-11-12T16:02:50	cerrahoglu.com.hempwick.org	learn.ferrve.com.pphost247.com	C=US, O=Let's Encrypt, CN=R3
2021-08-14T17:02:52.72	2021-08-14T16:02:52	2021-11-12T16:02:50	cerrahoglu.com.hempwick.org	learn.ferrve.com.pphost247.com	C=US, O=Let's Encrypt, CN=R3