privatesmtp.windowscloudservices.com has no CNAME records.
Question and response
Question
dig privatesmtp.windowscloudservices.com. NS
Answer
The response has no answer records.
Authority
windowscloudservices.com. 3370 SOA dns1.sentia.dk. hostmaster.sentia.dk. 2026011404 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0