It can be anything! An apex, subdomain, or even a URL.
Results fors-microsoft.com.lab1.office.supporttrainingeu.myshn.eu
www.s-microsoft.com.lab1.office.supporttrainingeu.myshn.eucom.lab1.office.supporttrainingeu.myshn.eulab1.office.supporttrainingeu.myshn.euoffice.supporttrainingeu.myshn.eusupporttrainingeu.myshn.eumyshn.eueu