ns2.namedserver.net has no CNAME records.
Question and response
Question
dig ns2.namedserver.net. NS
Answer
The response has no answer records.
Authority
namedserver.net. 733 SOA ns.namedserver.net. root.ns.namedserver.net. 2705556054 10800 1800 259200 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0