It can be anything! An apex, subdomain, or even a URL.
Results forwww.hostmaster.www.hostmaster.hostmaster.backend.montottone.com
hostmaster.www.hostmaster.hostmaster.backend.montottone.comwww.hostmaster.hostmaster.backend.montottone.comhostmaster.hostmaster.backend.montottone.comhostmaster.backend.montottone.combackend.montottone.commontottone.comcom