DNS/qname-minimisation/検索例2について、ここに記述してください。 {{{ $ dig www.ana.co.qmail.jp ; <<>> DiG 9.11.1 <<>> www.ana.co.qmail.jp ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 28022 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ; COOKIE: fc30730f38fbfff3b76bbab2594db52de22b4c1690279e0e (good) ;; QUESTION SECTION: ;www.ana.co.qmail.jp. IN A ;; ANSWER SECTION: www.ana.co.qmail.jp. 120 IN A 14.192.44.5 ;; Query time: 40 msec ;; SERVER: 127.0.0.3#53(127.0.0.3) ;; WHEN: Sat Jun 24 09:41:17 JST 2017 ;; MSG SIZE rcvd: 92 }}} {{{ tmaeno@tm:~$ dig -t ns ana.co.qmail.jp ; <<>> DiG 9.11.1 <<>> -t ns ana.co.qmail.jp ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 57936 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ; COOKIE: 065d82fb96fd4629673b48e6594db56fb83fe21f85e7e09d (good) ;; QUESTION SECTION: ;ana.co.qmail.jp. IN NS ;; ANSWER SECTION: ana.co.qmail.jp. 300 IN NS a.ns.ana.co.qmail.jp. ;; Query time: 27 msec ;; SERVER: 127.0.0.3#53(127.0.0.3) ;; WHEN: Sat Jun 24 09:42:23 JST 2017 ;; MSG SIZE rcvd: 91 }}} {{{ @40000000594db53733dce0dc [ 0][plan] plan 'www.ana.co.qmail.jp.' type 'A' @40000000594db53733dd8104 [30859][iter] 'www.ana.co.qmail.jp.' type 'A' id was assigned, parent id 0 @40000000594db53733de7eec [30859][resl] kr peekpkt ana.co.qmail.jp. ret -2 @40000000594db53733de82d4 [30859][resl] kr peekpkt co.qmail.jp. ret -116 @40000000594db53733de82d4 [ 8798][iter] 'www.ana.co.qmail.jp.' type 'A' id was assigned, parent id 0 @40000000594db53733dee864 [ 8798][resl] => querying: '14.192.44.5' score: 10 zone cut: 'qmail.jp.' m12n: 'co.qmail.jp.' type: 'NS' proto: 'udp' @40000000594db537349b3f3c [ 8798][iter] <= rcode: NXDOMAIN @40000000594db537349b4324 [ 8798][iter] <= found cut, retrying with non-minimized name @40000000594db537349b470c [ 8798][ pc ] => candidate rank: 020 @40000000594db537349bc40c [ 8798][ pc ] => answer cached for TTL=900 @40000000594db537349be34c [ 8798][resl] <= server: '14.192.44.5' rtt: 12 ms @40000000594db537349bf6d4 [22416][iter] 'www.ana.co.qmail.jp.' type 'A' id was assigned, parent id 0 @40000000594db537355f1024 [22416][resl] => querying: '14.192.44.5' score: 12 zone cut: 'qmail.jp.' m12n: 'Www.ANa.cO.qMAIL.JP.' type: 'A' proto: 'tcp' @40000000594db537363a9f2c [22416][iter] <= rcode: NOERROR @40000000594db537363af904 [22416][ rc ] => stashing rank: 020, A www.ana.co.qmail.jp. @40000000594db537363c0a74 [ 0][resl] finished: 4, queries: 1, mempool: 16400 B @40000000594db5791333ac1c [ 0][plan] plan 'ana.co.qmail.jp.' type 'NS' @40000000594db57913341594 [50012][iter] 'ana.co.qmail.jp.' type 'NS' id was assigned, parent id 0 @40000000594db5791334b5bc [50012][resl] kr peekpkt ana.co.qmail.jp. ret -2 @40000000594db5791334b9a4 [50012][resl] kr peekpkt co.qmail.jp. ret 0 @40000000594db5791334b9a4 [12426][iter] 'ana.co.qmail.jp.' type 'NS' id was assigned, parent id 0 @40000000594db57913359464 [12426][resl] <= server: '14.192.44.5' rtt: 0 ms @40000000594db5791335abd4 [47547][iter] 'ana.co.qmail.jp.' type 'NS' id was assigned, parent id 0 @40000000594db57913f536fc [47547][resl] => querying: '14.192.44.5' score: 12 zone cut: 'qmail.jp.' m12n: 'ANa.Co.qMaiL.jP.' type: 'NS' proto: 'tcp' @40000000594db57914cf3794 [47547][iter] <= rcode: NOERROR @40000000594db57914cf3b7c [47547][ rc ] => stashing rank: 020, NS ana.co.qmail.jp. @40000000594db57914d05c8c [ 0][resl] finished: 4, queries: 1, mempool: 16400 B }}} == 同居を示す返答 = {{{ $ dig xxx.www.ana.co.qmail.jp ; <<>> DiG 9.11.1 <<>> xxx.www.ana.co.qmail.jp ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 39834 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ; COOKIE: aa978690a8bb6e535c5baa21594db6b54f6af09660f4fc85 (good) ;; QUESTION SECTION: ;xxx.www.ana.co.qmail.jp. IN A ;; AUTHORITY SECTION: ana.co.qmail.jp. 2560 IN SOA a.ns.ana.co.qmail.jp. hostmaster.ana.co.qmail.jp. 1498262657 16384 2048 1048576 2560 ;; Query time: 30 msec ;; SERVER: 127.0.0.3#53(127.0.0.3) ;; WHEN: Sat Jun 24 09:47:49 JST 2017 ;; MSG SIZE rcvd: 132 }}}