DNS/実装/KnotDNSresolver/query-minimization/zone-cut-memoryについて、ここに記述してください。
[plan] plan 'a.b.c.d.qmail.jp.' type 'A' [resl] => querying: '203.119.1.1' score: 10 zone cut: 'jp.' m12n: 'QmAIL.jP.' type: 'NS' [iter] <= referral response, follow [resl] => querying: '14.192.44.5' score: 10 zone cut: 'qmail.jp.' m12n: 'D.qmAIL.jP.' type: 'NS' [iter] <= rcode: NXDOMAIN [iter] <= found cut, retrying with non-minimized name [resl] => querying: '14.192.44.5' score: 43 zone cut: 'qmail.jp.' m12n: 'A.b.c.D.qMaIL.JP.' type: 'A' [iter] <= referral response, follow [resl] => querying: '14.192.44.29' score: 10 zone cut: 'a.b.c.d.qmail.jp.' m12n: 'a.b.c.d.qMail.JP.' type: 'A' [iter] <= rcode: NOERROR [ pc ] => answer cached for TTL=900 [resl] finished: 4, queries: 1, mempool: 16392 B [plan] plan 'z.a.b.c.d.qmail.jp.' type 'A' [resl] => querying: '14.192.44.29' score: 75 zone cut: 'a.b.c.d.qmail.jp.' m12n: 'z.A.b.C.d.QmaiL.Jp.' type: 'A' [iter] <= rcode: NXDOMAIN [ pc ] => answer cached for TTL=900 [resl] finished: 4, queries: 1, mempool: 16392 B [plan] plan 'q.b.c.d.qmail.jp.' type 'A' [resl] => querying: '14.192.44.5' score: 62 zone cut: 'qmail.jp.' m12n: 'd.qmaIl.JP.' type: 'NS' [iter] <= rcode: NXDOMAIN [iter] <= found cut, retrying with non-minimized name [resl] => querying: '14.192.44.5' score: 51 zone cut: 'qmail.jp.' m12n: 'Q.B.C.d.QmaiL.jP.' type: 'A' [iter] <= rcode: NXDOMAIN [ pc ] => answer cached for TTL=900 [resl] finished: 4, queries: 1, mempool: 16392 B
d.qmail.jp の記憶はないらしい。 (Negative caching されていないのか）
- 問い合せてきていることは確認した。
2015-10-10 12:56:43.678692500 daddf214:8b2e:0d7a + 0002 d.qmail.jp 2015-10-10 12:56:43.720400500 daddf214:d6fa:bcea + 0001 a.b.c.d.qmail.jp 2015-10-10 12:57:41.637384500 daddf214:97d9:fad2 + 0002 d.qmail.jp 2015-10-10 12:57:41.679700500 daddf214:d3bb:8f1c + 0001 q.b.c.d.qmail.jp