DNS/KnotResolver/behaviorについて、ここに記述してください。
1. delegation を返してくる件
glueについてはこういう記事も
https://www.verisign.com/en_US/domain-names/dnssec/dns-behavior-changes/index.xhtml
- New Referral Behavior
-- ToshinoriMaeno 2017-04-30 01:42:16
2. nxdomain cached
3. 246.jp
4. c.d.qmail.jp query
qname minimisation 動作がおかしい。Ghost Domain Names対策になっていない。
繰り返し問い合わせてみる。
- d.qmail.jp NSがexpireしても、キャッシュを見ているのはおかしい。
pktcache, rrcacheの両方を見ているのも、おかしい。
@4000000059067c7c218346ec [ 0][plan] plan 'c.d.qmail.jp.' type 'A' @4000000059067c7c2183bc1c [63808][iter] 'c.d.qmail.jp.' type 'A' id was assigned, parent id 0 @4000000059067c7c2183cbbc [57397][iter] 'c.d.qmail.jp.' type 'A' id was assigned, parent id 0 @4000000059067c7c2184297c [57397][resl] => querying: '14.192.44.5' score: 11 zone cut: 'c.d.qmail.jp.' m12n: 'c.d.qMAiL.jp.' type: 'A' proto: 'udp' @4000000059067c7c22447fc4 [57397][iter] <= rcode: NOERROR @4000000059067c7c224500ac [57397][ pc ] => answer cached for TTL=900 @4000000059067c7c22451c04 [57397][resl] <= server: '14.192.44.5' rtt: 12 ms @4000000059067c7c2245cbcc [ 0][resl] finished: 4, queries: 1, mempool: 32800 B ^P^H@4000000059067cb92fd10cfc [ 0][plan] plan 'c.d.qmail.jp.' type 'A' @4000000059067cb92fd1a16c [42391][iter] 'c.d.qmail.jp.' type 'A' id was assigned, parent id 0 @4000000059067cb92fd21e6c [42391][ pc ] => satisfied from pktcache @4000000059067cb92fd268a4 [42391][iter] <= rcode: NOERROR @4000000059067cb92fd2a33c [ 0][resl] finished: 4, queries: 1, mempool: 32800 B @4000000059067cbe12465e1c [ 0][plan] plan 'c.d.qmail.jp.' type 'NS' @4000000059067cbe1246fe44 [63378][iter] 'c.d.qmail.jp.' type 'NS' id was assigned, parent id 0 @4000000059067cbe1247022c [63378][ rc ] => satisfied from rrcache @4000000059067cbe1247216c [63378][iter] <= rcode: NOERROR @4000000059067cbe12475c04 [ 0][resl] finished: 4, queries: 1, mempool: 32800 B @4000000059067cc503623bdc [ 0][plan] plan 'd.qmail.jp.' type 'NS' @4000000059067cc50362a93c [54955][iter] 'd.qmail.jp.' type 'NS' id was assigned, parent id 0 @4000000059067cc50362a93c [54955][ rc ] => satisfied from rrcache @4000000059067cc50362a93c [54955][iter] <= rcode: NOERROR @4000000059067cc50362d434 [ 0][resl] finished: 4, queries: 1, mempool: 49200 B