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

kresd (Knot resolver)の典型的動作

$ dig shikoku.ac.jp

; <<>> DiG 9.11.1 <<>> shikoku.ac.jp
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 297
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
; COOKIE: 246bb542d32fd534fd3012a15902d2a7fd2aaac38ed52128 (good)
;; QUESTION SECTION:
;shikoku.ac.jp.                 IN      A

;; ANSWER SECTION:
shikoku.ac.jp.          300     IN      A       49.212.142.166

;; Query time: 186 msec
;; SERVER: 127.0.0.3#53(127.0.0.3)
;; WHEN: Fri Apr 28 14:27:03 JST 2017
;; MSG SIZE  rcvd: 86

$ dig -t ns shikoku.ac.jp

; <<>> DiG 9.11.1 <<>> -t ns shikoku.ac.jp
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 25455
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
; COOKIE: 19d7b822f3e63b6d1e62a08e5902d2b2a64fb19e53e5703f (good)
;; QUESTION SECTION:
;shikoku.ac.jp.                 IN      NS

;; ANSWER SECTION:
shikoku.ac.jp.          86389   IN      NS      ns1.dns.ne.jp.
shikoku.ac.jp.          86389   IN      NS      dns1.shikoku.ac.jp.

;; Query time: 0 msec
;; SERVER: 127.0.0.3#53(127.0.0.3)
;; WHEN: Fri Apr 28 14:27:14 JST 2017
;; MSG SIZE  rcvd: 125

1. 権威サーバの返答(NS)

$ dig -t ns shikoku.ac.jp @ns1.dns.ne.jp

; <<>> DiG 9.11.1 <<>> -t ns shikoku.ac.jp @ns1.dns.ne.jp
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 53401
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 2
;; WARNING: recursion requested but not available

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

;; ANSWER SECTION:
shikoku.ac.jp.          300     IN      NS      dns1.shikoku.ac.jp.

;; ADDITIONAL SECTION:
dns1.shikoku.ac.jp.     300     IN      A       49.212.142.166

;; Query time: 6 msec
;; SERVER: 61.211.236.1#53(61.211.236.1)
;; WHEN: Fri Apr 28 14:30:47 JST 2017
;; MSG SIZE  rcvd: 77