Apex domains cannot have CNAME records.
Question and response
Question
dig vips.ne.jp. NS
Answer
vips.ne.jp. 3 NS ns01.vips.ne.jp.
vips.ne.jp. 3 NS ns00.vips.ne.jp.
Authority
The response has no authority records.
Additional
ns00.vips.ne.jp. 3 A 210.174.191.1
ns01.vips.ne.jp. 3 A 165.76.4.170
ns00.vips.ne.jp. 3 AAAA 2001:278:103b:1:0:0:0:1
ns01.vips.ne.jp. 3 AAAA 2001:278:103c:1:0:0:0:1
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0