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

Results foradmin.objex.digital

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-03-22T20:14:15.558	2021-03-22T00:00:00	2022-03-22T23:59:59	objex.digital	admin.objex.digital	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA
2021-03-22T20:14:15.172	2021-03-22T00:00:00	2022-03-22T23:59:59	objex.digital	admin.objex.digital	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA
2021-03-22T19:55:54.708	2021-03-22T00:00:00	2022-03-22T23:59:59	admin.objex.digital	admin.objex.digital	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA
2021-03-22T19:55:54.257	2021-03-22T00:00:00	2022-03-22T23:59:59	admin.objex.digital	admin.objex.digital	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA