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

Results forinternal.zero.techbant.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2022-08-13T02:08:27.242	2022-08-13T01:08:26	2022-11-11T01:08:25	internal.zero.techbant.com	internal.zero.techbant.com	C=US, O=Let's Encrypt, CN=R3
2022-08-13T02:08:26.54	2022-08-13T01:08:26	2022-11-11T01:08:25	internal.zero.techbant.com	internal.zero.techbant.com	C=US, O=Let's Encrypt, CN=R3
2022-08-13T02:05:32.432	2022-08-13T01:05:31	2022-11-11T01:05:30	internal.zero.techbant.com	internal.zero.techbant.com	C=US, O=Let's Encrypt, CN=R3
2022-08-13T02:05:31.644	2022-08-13T01:05:31	2022-11-11T01:05:30	internal.zero.techbant.com	internal.zero.techbant.com	C=US, O=Let's Encrypt, CN=R3