## page was renamed from watchNS/ymc.ne.jp
watchNS/ymc.ne.jpについて、ここに記述してください。

  GMO らしい。

%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

== 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
}}}