It can be anything! An apex, subdomain, or even a URL.
Results forwww.msg.skype.com.office.test.proxyautomation.myshn.eu
msg.skype.com.office.test.proxyautomation.myshn.euskype.com.office.test.proxyautomation.myshn.eucom.office.test.proxyautomation.myshn.euoffice.test.proxyautomation.myshn.eutest.proxyautomation.myshn.euproxyautomation.myshn.eumyshn.eueu