It can be anything! An apex, subdomain, or even a URL.
Results for*.wp.com.slack.test.proxyautomation.myshn.eu
www.*.wp.com.slack.test.proxyautomation.myshn.euwp.com.slack.test.proxyautomation.myshn.eucom.slack.test.proxyautomation.myshn.euslack.test.proxyautomation.myshn.eutest.proxyautomation.myshn.euproxyautomation.myshn.eumyshn.eueu