ns3.creoline.net has no CNAME records.
Question and response
Question
dig ns3.creoline.net. NS
Answer
The response has no answer records.
Authority
creoline.net. 534 SOA ns1.creoline.net. noc.creoline.com. 2026022602 7200 1800 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0