It can be anything! An apex, subdomain, or even a URL.
Results for*.yammerusercontent.com.office.laboratories-normon.norman.myshn.eu
www.*.yammerusercontent.com.office.laboratories-normon.norman.myshn.euyammerusercontent.com.office.laboratories-normon.norman.myshn.eucom.office.laboratories-normon.norman.myshn.euoffice.laboratories-normon.norman.myshn.eulaboratories-normon.norman.myshn.eunorman.myshn.eumyshn.eueu