It can be anything! An apex, subdomain, or even a URL.
Results for*.delve.office.com.office.rp.skydemo.myshn.eu
www.*.delve.office.com.office.rp.skydemo.myshn.eudelve.office.com.office.rp.skydemo.myshn.euoffice.com.office.rp.skydemo.myshn.eucom.office.rp.skydemo.myshn.euoffice.rp.skydemo.myshn.eurp.skydemo.myshn.euskydemo.myshn.eumyshn.eueu