## page was renamed from watchNS/kddnet.ad.jp watchNS/kddnet.ad.jpについて、ここに記述してください。 http://nslist.net/penguin.kddnet.ad.jp/ http://www.buddyns.com/delegation-lab/kddnet.ad.jp [[../kddi.ne.jp/int-gw]] [[/penguin]] $ 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 <> $ 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 <> %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 }}}