ns1.cloudsrvr.eu has no CNAME records.
Question and response
Question
dig ns1.cloudsrvr.eu. NS
Answer
The response has no answer records.
Authority
cloudsrvr.eu. 9688 SOA auth01.dns.trueserver.nl. hostmaster.trueserver.nl. 2020121611 86400 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0