It can be anything! An apex, subdomain, or even a URL.
Results forhostmaster.www.hostmaster.hostmaster.notexistsadmin.calende.com
www.hostmaster.www.hostmaster.hostmaster.notexistsadmin.calende.comwww.hostmaster.hostmaster.notexistsadmin.calende.comhostmaster.hostmaster.notexistsadmin.calende.comhostmaster.notexistsadmin.calende.comnotexistsadmin.calende.comcalende.comcom