It can be anything! An apex, subdomain, or even a URL.
Results for*.svc.ms.office.default.zurichairport.myshn.eu
www.*.svc.ms.office.default.zurichairport.myshn.eusvc.ms.office.default.zurichairport.myshn.eums.office.default.zurichairport.myshn.euoffice.default.zurichairport.myshn.eudefault.zurichairport.myshn.euzurichairport.myshn.eumyshn.eueu