1. watchNS/cci.or.jp
infomart.or.jp などのAはない：
8:19f%dig -t ns cci.or.jp @dns1.ymc.ne.jp.
; <<>> DiG 9.9.0 <<>> -t ns cci.or.jp @dns1.ymc.ne.jp. ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 29772 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 3 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;cci.or.jp. IN NS ;; ANSWER SECTION: cci.or.jp. 86400 IN NS ns3.infomart.or.jp. cci.or.jp. 86400 IN NS dns1.ymc.ne.jp. cci.or.jp. 86400 IN NS dns2.ymc.ne.jp. cci.or.jp. 86400 IN NS ns1.infomart.or.jp. cci.or.jp. 86400 IN NS ns2.infomart.or.jp. ;; ADDITIONAL SECTION: dns1.ymc.ne.jp. 456 IN A 114.179.216.253 dns2.ymc.ne.jp. 421 IN A 121.119.195.249 ;; Query time: 15 msec ;; SERVER: 114.179.216.253#53(114.179.216.253) ;; WHEN: Wed May 27 08:19:52 2015 ;; MSG SIZE rcvd: 178
だが、問い合せるとキャッシュに入る。：
%dig -t a ns1.infomart.or.jp @dns1.ymc.ne.jp. ~/dnsq/0526
; <<>> DiG 9.9.0 <<>> -t a ns1.infomart.or.jp @dns1.ymc.ne.jp. ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 7792 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;ns1.infomart.or.jp. IN A ;; ANSWER SECTION: ns1.infomart.or.jp. 86400 IN A 210.159.6.17 ;; AUTHORITY SECTION: infomart.or.jp. 86400 IN NS ns1.infomart.or.jp. infomart.or.jp. 86400 IN NS ns2.inetvass.com. infomart.or.jp. 86400 IN NS ns2.infomart.or.jp. infomart.or.jp. 86400 IN NS ns1.inetvass.com. ;; Query time: 53 msec ;; SERVER: 114.179.216.253#53(114.179.216.253) ;; WHEN: Wed May 27 08:20:22 2015 ;; MSG SIZE rcvd: 143
そして、
%dig -t ns cci.or.jp @dns1.ymc.ne.jp.
; <<>> DiG 9.9.0 <<>> -t ns cci.or.jp @dns1.ymc.ne.jp. ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 27864 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 4 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;cci.or.jp. IN NS ;; ANSWER SECTION: cci.or.jp. 86400 IN NS ns2.infomart.or.jp. cci.or.jp. 86400 IN NS ns3.infomart.or.jp. cci.or.jp. 86400 IN NS dns1.ymc.ne.jp. cci.or.jp. 86400 IN NS dns2.ymc.ne.jp. cci.or.jp. 86400 IN NS ns1.infomart.or.jp. ;; ADDITIONAL SECTION: ns1.infomart.or.jp. 86386 IN A 210.159.6.17 dns1.ymc.ne.jp. 412 IN A 114.179.216.253 dns2.ymc.ne.jp. 377 IN A 121.119.195.249 ;; Query time: 16 msec ;; SERVER: 114.179.216.253#53(114.179.216.253) ;; WHEN: Wed May 27 08:20:35 2015 ;; MSG SIZE rcvd: 194
dns*.myc.ne.jp についてもキャッシュのデータを答えている様子：おかしな動作。（ゾーンファイルがないことを示す）