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