watchNS/i.u-tokyo.ac.jpについて、ここに記述してください。

%dig -t ns i.u-tokyo.ac.jp @133.11.0.1

; <<>> DiG 9.9.0 <<>> -t ns i.u-tokyo.ac.jp @133.11.0.1
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1821
;; flags: qr aa rd; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 10
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;i.u-tokyo.ac.jp.               IN      NS

;; ANSWER SECTION:
i.u-tokyo.ac.jp.        86400   IN      NS      dns3.nc.u-tokyo.ac.jp.
i.u-tokyo.ac.jp.        86400   IN      NS      dns2.nc.u-tokyo.ac.jp.
i.u-tokyo.ac.jp.        86400   IN      NS      dns1.nc.u-tokyo.ac.jp.
i.u-tokyo.ac.jp.        86400   IN      NS      i-ns.i.u-tokyo.ac.jp.

;; ADDITIONAL SECTION:
dns1.nc.u-tokyo.ac.jp.  3600    IN      A       133.11.0.1
dns1.nc.u-tokyo.ac.jp.  3600    IN      AAAA    2001:200:180::35:1
dns1.nc.u-tokyo.ac.jp.  3600    IN      AAAA    2001:200:180:80::46
dns2.nc.u-tokyo.ac.jp.  3600    IN      A       219.166.230.42
dns2.nc.u-tokyo.ac.jp.  3600    IN      AAAA    2001:380:1ab::35:2
dns3.nc.u-tokyo.ac.jp.  3600    IN      A       157.82.0.1
dns3.nc.u-tokyo.ac.jp.  3600    IN      AAAA    2001:200:180:26::35
dns3.nc.u-tokyo.ac.jp.  3600    IN      AAAA    2001:200:180::35:3
i-ns.i.u-tokyo.ac.jp.   86400   IN      A       133.11.232.71

;; Query time: 7 msec
;; SERVER: 133.11.0.1#53(133.11.0.1)
;; WHEN: Wed May 13 19:26:09 2015
;; MSG SIZE  rcvd: 327