It can be anything! An apex, subdomain, or even a URL.
Results for*.ads2.msads.net.office.default.zurichairport.myshn.eu
www.*.ads2.msads.net.office.default.zurichairport.myshn.euads2.msads.net.office.default.zurichairport.myshn.eumsads.net.office.default.zurichairport.myshn.eunet.office.default.zurichairport.myshn.euoffice.default.zurichairport.myshn.eudefault.zurichairport.myshn.euzurichairport.myshn.eumyshn.eueu