It can be anything! An apex, subdomain, or even a URL.
Results for*.partners.msn.com.office.test.proxyqa.myshn.eu
www.*.partners.msn.com.office.test.proxyqa.myshn.eupartners.msn.com.office.test.proxyqa.myshn.eumsn.com.office.test.proxyqa.myshn.eucom.office.test.proxyqa.myshn.euoffice.test.proxyqa.myshn.eutest.proxyqa.myshn.euproxyqa.myshn.eumyshn.eueu