It can be anything! An apex, subdomain, or even a URL.
Results for*.msauth.net.4test12.o365---bdl.btfrancedemo.myshn.net
www.*.msauth.net.4test12.o365---bdl.btfrancedemo.myshn.netmsauth.net.4test12.o365---bdl.btfrancedemo.myshn.netnet.4test12.o365---bdl.btfrancedemo.myshn.net4test12.o365---bdl.btfrancedemo.myshn.neto365---bdl.btfrancedemo.myshn.netbtfrancedemo.myshn.netmyshn.netnet