It can be anything! An apex, subdomain, or even a URL.
Results for*.s.windows.microsoft.com.lab1.office.supporttrainingeu.myshn.eu
www.*.s.windows.microsoft.com.lab1.office.supporttrainingeu.myshn.eus.windows.microsoft.com.lab1.office.supporttrainingeu.myshn.euwindows.microsoft.com.lab1.office.supporttrainingeu.myshn.eumicrosoft.com.lab1.office.supporttrainingeu.myshn.eucom.lab1.office.supporttrainingeu.myshn.eulab1.office.supporttrainingeu.myshn.euoffice.supporttrainingeu.myshn.eusupporttrainingeu.myshn.eumyshn.eueu