It can be anything! An apex, subdomain, or even a URL.
Results formsn.com.office.testo36.qauniversaltenant1.myshn.eu
www.msn.com.office.testo36.qauniversaltenant1.myshn.eucom.office.testo36.qauniversaltenant1.myshn.euoffice.testo36.qauniversaltenant1.myshn.eutesto36.qauniversaltenant1.myshn.euqauniversaltenant1.myshn.eumyshn.eueu