KDDI/kddnet.ad.jp - moin.qmail.jp

watchNS/kddnet.ad.jpについて、ここに記述してください。

$ dnsq ns kddnet.ad.jp a.dns.jp

2 kddnet.ad.jp:
106 bytes, 1+0+2+2 records, response, noerror
query: 2 kddnet.ad.jp
authority: kddnet.ad.jp 86400 NS dolphin.kddnet.ad.jp
authority: kddnet.ad.jp 86400 NS penguin.kddnet.ad.jp
additional: dolphin.kddnet.ad.jp 86400 A 210.132.91.130
additional: penguin.kddnet.ad.jp 86400 A 210.132.91.129

兼用サーバで、NS返答が、... オープンリゾルバーらしいし。-- ToshinoriMaeno 2015-12-26 11:08:25

$ dnsq ns kddnet.ad.jp 210.132.91.130

2 kddnet.ad.jp:
158 bytes, 1+3+0+3 records, response, authoritative, weird ra, noerror
query: 2 kddnet.ad.jp
answer: kddnet.ad.jp 300 NS tegami2.int-gw.kddi.ne.jp
answer: kddnet.ad.jp 300 NS temae5.int-gw.kddi.ne.jp
answer: kddnet.ad.jp 300 NS tegami1.int-gw.kddi.ne.jp
additional: temae5.int-gw.kddi.ne.jp 300 A 106.187.5.93
additional: tegami1.int-gw.kddi.ne.jp 300 A 210.132.91.136
additional: tegami2.int-gw.kddi.ne.jp 300 A 210.132.91.138

TTL制限、賞味期限の検査をしてみる。-- ToshinoriMaeno 2015-12-26 00:21:57

%dig clnx.qmail.jp @210.132.91.130 ~

; <<>> DiG 9.9.0 <<>> clnx.qmail.jp @210.132.91.130
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 65437
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 2

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;clnx.qmail.jp.                 IN      A

;; ANSWER SECTION:
clnx.qmail.jp.          604786  IN      A       195.22.126.213

;; AUTHORITY SECTION:
clnx.qmail.jp.          166     IN      NS      ns1.clnx2015.com.

;; ADDITIONAL SECTION:
ns1.clnx2015.com.       604786  IN      A       195.22.126.212

;; Query time: 9 msec
;; SERVER: 210.132.91.130#53(210.132.91.130)
;; WHEN: Sat Dec 26 09:20:46 2015
;; MSG SIZE  rcvd: 104

$ dig ribbon.to @210.132.91.130

; <<>> DiG 9.9.5-3ubuntu0.6-Ubuntu <<>> ribbon.to @210.132.91.130
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 39002
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 4

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;ribbon.to.                     IN      A

;; ANSWER SECTION:
ribbon.to.              7200    IN      A       153.150.14.90

;; AUTHORITY SECTION:
ribbon.to.              7200    IN      NS      ns.ribbon.to.
ribbon.to.              7200    IN      NS      ns3.ribbon.to.
ribbon.to.              7200    IN      NS      ns2.ribbon.to.

;; ADDITIONAL SECTION:
ns.ribbon.to.           7200    IN      A       153.150.14.90
ns2.ribbon.to.          47623   IN      A       153.150.14.85
ns3.ribbon.to.          47623   IN      A       153.150.14.83

;; Query time: 125 msec
;; SERVER: 210.132.91.130#53(210.132.91.130)
;; WHEN: Sat Dec 26 20:06:19 JST 2015
;; MSG SIZE  rcvd: 155

MoinQ: KDDI/kddnet.ad.jp