ns2.tayoreru.com has no CNAME records.
Question and response
Question
dig ns2.tayoreru.com. NS
Answer
The response has no answer records.
Authority
tayoreru.com. 263 SOA ns0.aics.ad.jp. hostmaster.aics.ad.jp. 2025112501 10800 3600 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0