DNS/TCP/datahotel.ne.jpについて、ここに記述してください。

$ dig +tcp -t ns bitcash.co.jp @a.dns.jp

; <<>> DiG 9.12.1 <<>> +tcp -t ns bitcash.co.jp @a.dns.jp
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 471
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 3
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;bitcash.co.jp.                 IN      NS

;; AUTHORITY SECTION:
bitcash.co.jp.          86400   IN      NS      zns02.datahotel.ne.jp.
bitcash.co.jp.          86400   IN      NS      zns01.datahotel.ne.jp.

;; ADDITIONAL SECTION:
zns01.datahotel.ne.jp.  86400   IN      A       203.174.65.4
zns02.datahotel.ne.jp.  86400   IN      A       203.174.65.68

;; Query time: 6 msec
;; SERVER: 203.119.1.1#53(203.119.1.1)
;; WHEN: Mon Apr 23 13:22:08 JST 2018
;; MSG SIZE  rcvd: 127

tmaeno@u16:~$ dig +tcp -t ns bitcash.co.jp @zns01.datahotel.ne.jp
;; communications error to 203.174.65.4#53: end of file
;; communications error to 203.174.65.4#53: end of file