It can be anything! An apex, subdomain, or even a URL.
Results for*.vo.msecnd.net.office.test.proxyqa.myshn.eu
www.*.vo.msecnd.net.office.test.proxyqa.myshn.euvo.msecnd.net.office.test.proxyqa.myshn.eumsecnd.net.office.test.proxyqa.myshn.eunet.office.test.proxyqa.myshn.euoffice.test.proxyqa.myshn.eutest.proxyqa.myshn.euproxyqa.myshn.eumyshn.eueu