mail.hinoyojin.awk.jp has no CNAME records.
Question and response
Question
dig mail.hinoyojin.awk.jp. NS
Answer
The response has no answer records.
Authority
hinoyojin.awk.jp. 3600 SOA ns.hinoyojin.awk.jp. takahashi.hinoyojin.com. 2021031017 14400 60 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0