ns.itsinternet.net has no CNAME records.
Question and response
Question
dig ns.itsinternet.net. NS
Answer
The response has no answer records.
Authority
itsinternet.net. 1800 SOA ns.itsinternet.net. hostmaster.itsinternet.net. 2026012200 43200 7200 1209600 7200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0