It can be anything! An apex, subdomain, or even a URL.
Results for*.msocdn.com.office.test.proxyautomation.myshn.eu
www.*.msocdn.com.office.test.proxyautomation.myshn.eumsocdn.com.office.test.proxyautomation.myshn.eucom.office.test.proxyautomation.myshn.euoffice.test.proxyautomation.myshn.eutest.proxyautomation.myshn.euproxyautomation.myshn.eumyshn.eueu