watchNS/ymc.ne.jpについて、ここに記述してください。

%dnsq ns ymc.ne.jp a.dns.jp

2 ymc.ne.jp:
130 bytes, 1+0+3+3 records, response, noerror
query: 2 ymc.ne.jp
authority: ymc.ne.jp 86400 NS ns1.ymc.ne.jp
authority: ymc.ne.jp 86400 NS dns2.ymc.ne.jp
authority: ymc.ne.jp 86400 NS ns2.ymc.ne.jp
additional: ns1.ymc.ne.jp 86400 A 61.196.147.50
additional: ns2.ymc.ne.jp 86400 A 114.179.215.247
additional: dns2.ymc.ne.jp 86400 A 121.119.195.249

%dig -t ns ymc.ne.jp @dns2.ymc.ne.jp

; <<>> DiG 9.9.0 <<>> -t ns ymc.ne.jp @dns2.ymc.ne.jp
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 43305
;; flags: qr aa rd; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 4
;; WARNING: recursion requested but not available

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

;; ANSWER SECTION:
ymc.ne.jp.              86400   IN      NS      ns2.ymc.ne.jp.
ymc.ne.jp.              86400   IN      NS      dns2.ymc.ne.jp.
ymc.ne.jp.              86400   IN      NS      ns1.ymc.ne.jp.

;; ADDITIONAL SECTION:
ns1.ymc.ne.jp.          300     IN      A       61.196.147.50
ns2.ymc.ne.jp.          300     IN      A       114.179.215.247
dns2.ymc.ne.jp.         600     IN      A       121.119.195.249

;; Query time: 10 msec
;; SERVER: 121.119.195.249#53(121.119.195.249)
;; WHEN: Wed May 27 09:03:35 2015
;; MSG SIZE  rcvd: 141

短すぎるTTL

1. おまけ

%dig -t ns ymc.ne.jp @dns1.ymc.ne.jp

; <<>> DiG 9.9.0 <<>> -t ns ymc.ne.jp @dns1.ymc.ne.jp
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 11563
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 2

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

;; ANSWER SECTION:
ymc.ne.jp.              29057   IN      NS      dns2.ymc.ne.jp.
ymc.ne.jp.              29057   IN      NS      ns1.ymc.ne.jp.
ymc.ne.jp.              29057   IN      NS      ns2.ymc.ne.jp.

;; ADDITIONAL SECTION:
dns2.ymc.ne.jp.         378     IN      A       121.119.195.249

;; Query time: 15 msec
;; SERVER: 114.179.216.253#53(114.179.216.253)
;; WHEN: Wed May 27 09:01:03 2015
;; MSG SIZE  rcvd: 109

MoinQ: watchNS/ne.jp/ymc.ne.jp (last edited 2022-04-01 02:05:15 by ToshinoriMaeno)