DNS/毒盛/移転インジェクション/Knot-resolverについて、ここに記述してください。
$ kdig -t a ns5.d.t.e-ontap.com @127.0.0.3 ;; ->>HEADER<<- opcode: QUERY; status: NXDOMAIN; id: 11497 ;; Flags: qr rd ra; QUERY: 1; ANSWER: 0; AUTHORITY: 1; ADDITIONAL: 0 ;; QUESTION SECTION: ;; ns5.d.t.e-ontap.com. IN A ;; AUTHORITY SECTION: d.t.e-ontap.com. 1697 IN SOA ns10.d.t.e-ontap.com. hostmaster.d.t.e-ontap.com. 1446179568 16384 2048 1048576 2560 ;; Received 89 B ;; Time 2015-11-01 14:29:04 JST ;; From 127.0.0.3@53(UDP) in 0.2 ms tmaeno@tmaeno:~$ kdig -t ns d.t.e-ontap.com @127.0.0.3 ;; ->>HEADER<<- opcode: QUERY; status: NOERROR; id: 42961 ;; Flags: qr rd ra; QUERY: 1; ANSWER: 1; AUTHORITY: 0; ADDITIONAL: 0 ;; QUESTION SECTION: ;; d.t.e-ontap.com. IN NS ;; ANSWER SECTION: d.t.e-ontap.com. 10 IN NS ns10.d.t.e-ontap.com. ;; Received 52 B ;; Time 2015-11-01 14:29:12 JST ;; From 127.0.0.3@53(UDP) in 0.2 ms tmaeno@tmaeno:~$ kdig -t a www.d.t.e-ontap.com @127.0.0.3 ;; ->>HEADER<<- opcode: QUERY; status: NOERROR; id: 62814 ;; Flags: qr rd ra; QUERY: 1; ANSWER: 1; AUTHORITY: 0; ADDITIONAL: 0 ;; QUESTION SECTION: ;; www.d.t.e-ontap.com. IN A ;; ANSWER SECTION: www.d.t.e-ontap.com. 10 IN A 192.0.2.10 ;; Received 53 B ;; Time 2015-11-01 14:29:19 JST ;; From 127.0.0.3@53(UDP) in 72.4 ms tmaeno@tmaeno:~$ kdig -t ns d.t.e-ontap.com @127.0.0.3 ;; ->>HEADER<<- opcode: QUERY; status: NOERROR; id: 43983 ;; Flags: qr rd ra; QUERY: 1; ANSWER: 1; AUTHORITY: 0; ADDITIONAL: 0 ;; QUESTION SECTION: ;; d.t.e-ontap.com. IN NS ;; ANSWER SECTION: d.t.e-ontap.com. 0 IN NS ns10.d.t.e-ontap.com. ;; Received 52 B ;; Time 2015-11-01 14:29:22 JST ;; From 127.0.0.3@53(UDP) in 0.2 ms tmaeno@tmaeno:~$ kdig -t ns d.t.e-ontap.com @127.0.0.3 ;; ->>HEADER<<- opcode: QUERY; status: NOERROR; id: 38837 ;; Flags: qr rd ra; QUERY: 1; ANSWER: 1; AUTHORITY: 0; ADDITIONAL: 0 ;; QUESTION SECTION: ;; d.t.e-ontap.com. IN NS ;; ANSWER SECTION: d.t.e-ontap.com. 90 IN NS ns5.d.t.e-ontap.com. ;; Received 51 B ;; Time 2015-11-01 14:29:26 JST ;; From 127.0.0.3@53(UDP) in 149.5 ms tmaeno@tmaeno:~$ kdig -t a ns5.d.t.e-ontap.com @127.0.0.3 ;; ->>HEADER<<- opcode: QUERY; status: NOERROR; id: 38723 ;; Flags: qr rd ra; QUERY: 1; ANSWER: 1; AUTHORITY: 0; ADDITIONAL: 0 ;; QUESTION SECTION: ;; ns5.d.t.e-ontap.com. IN A ;; ANSWER SECTION: ns5.d.t.e-ontap.com. 412 IN A 150.42.6.5 ;; Received 53 B ;; Time 2015-11-01 14:29:34 JST ;; From 127.0.0.3@53(UDP) in 0.2 ms
[plan] plan 'ns5.d.t.e-ontap.com.' type 'A' [ pc ] => satisfied from cache [iter] <= rcode: NXDOMAIN [resl] finished: 4, queries: 1, mempool: 16392 B [plan] plan 'd.t.e-ontap.com.' type 'NS' [ rc ] => satisfied from cache [iter] <= rcode: NOERROR [resl] finished: 4, queries: 1, mempool: 16392 B [plan] plan 'www.d.t.e-ontap.com.' type 'A' [resl] => querying: '150.42.6.1' score: 66 zone cut: 'd.t.e-ontap.com.' m12n: 'WWw.D.T.E-Ontap.cOM.' type: 'A' [iter] <= rcode: NOERROR [resl] finished: 4, queries: 1, mempool: 16392 B [plan] plan 'd.t.e-ontap.com.' type 'NS' [ rc ] => satisfied from cache [iter] <= rcode: NOERROR [resl] finished: 4, queries: 1, mempool: 16392 B [plan] plan 'd.t.e-ontap.com.' type 'NS' [resl] => querying: '14.192.44.2' score: 61 zone cut: 't.e-ontap.com.' m12n: 'd.t.E-onTap.COM.' type: 'NS' [iter] <= referral response, follow [resl] => querying: '150.42.6.5' score: 76 zone cut: 'd.t.e-ontap.com.' m12n: 'D.t.E-ONTAp.COM.' type: 'NS' [iter] <= rcode: NOERROR [resl] finished: 4, queries: 1, mempool: 16392 B [plan] plan 'ns5.d.t.e-ontap.com.' type 'A' [ rc ] => satisfied from cache [iter] <= rcode: NOERROR [resl] finished: 4, queries: 1, mempool: 16392 B