It can be anything! An apex, subdomain, or even a URL.
Results for*.onenote.com.office.proxy-o365-lab-eu.cloudexperte.myshn.eu
www.*.onenote.com.office.proxy-o365-lab-eu.cloudexperte.myshn.euonenote.com.office.proxy-o365-lab-eu.cloudexperte.myshn.eucom.office.proxy-o365-lab-eu.cloudexperte.myshn.euoffice.proxy-o365-lab-eu.cloudexperte.myshn.euproxy-o365-lab-eu.cloudexperte.myshn.eucloudexperte.myshn.eumyshn.eueu