ns.innovation.awk.jp has no CNAME records.
Question and response
Question
dig ns.innovation.awk.jp. NS
Answer
The response has no answer records.
Authority
innovation.awk.jp. 300 SOA ns01.xbit.jp. shinsei.synergy101.jp. 1617161867 14400 60 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0