放棄か。

1. whois

2. history

mie-med.or.jp.          86400   IN      NS      ns.mie-med.or.jp.
mie-med.or.jp.          86400   IN      NS      ns2.ztv.ad.jp.

;; ADDITIONAL SECTION:
ns2.ztv.ad.jp.          86400   IN      A       210.236.160.135
ns.mie-med.or.jp.       86400   IN      A       210.236.162.161

$ dig -t ns mie-med.or.jp @210.236.162.161
;; communications error to 210.236.162.161#53: timed out
;; communications error to 210.236.162.161#53: timed out
;; communications error to 210.236.162.161#53: timed out

; <<>> DiG 9.18.12-0ubuntu0.22.04.1-Ubuntu <<>> -t ns mie-med.or.jp @210.236.162.161
;; global options: +cmd
;; no servers could be reached

210.236.160.135  REFUSED

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