master.dns.ne.jp has no CNAME records.
Question and response
Question
dig master.dns.ne.jp. NS
Answer
The response has no answer records.
Authority
dns.ne.jp. 870 SOA dns.sakura.ad.jp. dns.sakura.ad.jp. 2024010600 900 300 3600000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0