Every .dk domain whose www name is a CNAME to daef1854-ca4c-4e7f-a67e-9f28c9006901.tenant.runtime.msappproxy.net, i.e. the website is hosted on that platform. A target that no longer exists is flagged as dangling. Data comes from our own scanners, which re-resolve every .dk domain in the zone roughly once a week.