DNS/qname-minimisation/検索例/www.city.nerima.tokyo.jpについて、ここに記述してください。

/trace /kresd

Version 1.8.2

$ unbound-control get_option qname-minimisation
yes

$ dig www.city.nerima.tokyo.jp @127.0.0.3

; <<>> DiG 9.12.3 <<>> www.city.nerima.tokyo.jp @127.0.0.3
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 28383
;; flags: qr rd ra; QUERY: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1220
;; QUESTION SECTION:
;www.city.nerima.tokyo.jp.      IN      A

;; ANSWER SECTION:
www.city.nerima.tokyo.jp. 600   IN      CNAME   0834a09e7a11c2a570f80582917c55c5.cdnext.stream.ne.jp.
0834a09e7a11c2a570f80582917c55c5.cdnext.stream.ne.jp. 600 IN CNAME cdnext-svg001-ipb000.stream.ne.jp.
cdnext-svg001-ipb000.stream.ne.jp. 600 IN A     27.121.48.70
cdnext-svg001-ipb000.stream.ne.jp. 600 IN A     111.108.184.72
cdnext-svg001-ipb000.stream.ne.jp. 600 IN A     111.108.184.71
cdnext-svg001-ipb000.stream.ne.jp. 600 IN A     111.108.184.60

;; Query time: 238 msec
;; SERVER: 127.0.0.3#53(127.0.0.3)
;; WHEN: 金  1月 04 14:17:02 JST 2019
;; MSG SIZE  rcvd: 216

unbound.log 

[1546579022] unbound[1553:0] info: resolving www.city.nerima.tokyo.jp. A IN
[1546579022] unbound[1553:0] info: response for www.city.nerima.tokyo.jp. A IN
[1546579022] unbound[1553:0] info: reply from <jp.> 202.12.30.131#53
[1546579022] unbound[1553:0] info: query response was nodata ANSWER  ??? referral 
[1546579022] unbound[1553:0] info: response for www.city.nerima.tokyo.jp. A IN
[1546579022] unbound[1553:0] info: reply from <jp.> 203.119.40.1#53
[1546579022] unbound[1553:0] info: query response was nodata ANSWER ??? referral 
[1546579022] unbound[1553:0] info: response for www.city.nerima.tokyo.jp. A IN
[1546579022] unbound[1553:0] info: reply from <jp.> 156.154.100.5#53
[1546579022] unbound[1553:0] info: query response was REFERRAL

[1546579022] unbound[1553:0] info: resolving city.nerima.tokyo.jp. NS IN
[1546579022] unbound[1553:0] info: response for city.nerima.tokyo.jp. NS IN
[1546579022] unbound[1553:0] info: reply from <jp.> 203.119.1.1#53
[1546579022] unbound[1553:0] info: query response was REFERRAL
[1546579022] unbound[1553:0] info: resolving ns1.vectant.ne.jp. A IN
[1546579022] unbound[1553:0] info: resolving ns01.city.nerima.tokyo.jp. A IN
[1546579022] unbound[1553:0] info: response for www.city.nerima.tokyo.jp. A IN
[1546579022] unbound[1553:0] info: reply from <city.nerima.tokyo.jp.> 163.139.230.164#53
[1546579022] unbound[1553:0] info: query response was CNAME

[1546579022] unbound[1553:0] info: resolving www.city.nerima.tokyo.jp. A IN
[1546579022] unbound[1553:0] info: response for ns1.vectant.ne.jp. A IN
[1546579022] unbound[1553:0] info: reply from <jp.> 203.119.1.1#53
[1546579022] unbound[1553:0] info: query response was nodata ANSWER
[1546579022] unbound[1553:0] info: response for city.nerima.tokyo.jp. NS IN
[1546579022] unbound[1553:0] info: reply from <city.nerima.tokyo.jp.> 202.231.109.36#53
[1546579022] unbound[1553:0] info: query response was ANSWER
[1546579022] unbound[1553:0] info: response for ns01.city.nerima.tokyo.jp. A IN
[1546579022] unbound[1553:0] info: reply from <city.nerima.tokyo.jp.> 202.231.109.36#53
[1546579022] unbound[1553:0] info: query response was ANSWER
[1546579022] unbound[1553:0] info: response for ns1.vectant.ne.jp. A IN
[1546579022] unbound[1553:0] info: reply from <jp.> 202.12.30.131#53
[1546579022] unbound[1553:0] info: query response was REFERRAL

[1546579022] unbound[1553:0] info: resolving vectant.ne.jp. NS IN
[1546579022] unbound[1553:0] info: response for vectant.ne.jp. NS IN
[1546579022] unbound[1553:0] info: reply from <jp.> 203.119.40.1#53
[1546579022] unbound[1553:0] info: query response was REFERRAL

[1546579022] unbound[1553:0] info: resolving ns2.vectant.ne.jp. A IN
[1546579022] unbound[1553:0] info: response for ns1.vectant.ne.jp. A IN
[1546579022] unbound[1553:0] info: reply from <vectant.ne.jp.> 163.139.230.165#53
[1546579022] unbound[1553:0] info: query response was ANSWER
[1546579022] unbound[1553:0] info: response for ns2.vectant.ne.jp. A IN
[1546579022] unbound[1553:0] info: reply from <vectant.ne.jp.> 163.139.230.164#53
[1546579022] unbound[1553:0] info: query response was ANSWER
[1546579022] unbound[1553:0] info: response for vectant.ne.jp. NS IN
[1546579022] unbound[1553:0] info: reply from <vectant.ne.jp.> 163.139.230.165#53
[1546579022] unbound[1553:0] info: query response was ANSWER
[1546579022] unbound[1553:0] info: response for www.city.nerima.tokyo.jp. A IN
[1546579022] unbound[1553:0] info: reply from <jp.> 65.22.40.25#53
[1546579022] unbound[1553:0] info: query response was nodata ANSWER
[1546579022] unbound[1553:0] info: response for www.city.nerima.tokyo.jp. A IN
[1546579022] unbound[1553:0] info: reply from <jp.> 150.100.6.8#53
[1546579022] unbound[1553:0] info: query response was REFERRAL

[1546579022] unbound[1553:0] info: resolving stream.ne.jp. NS IN
[1546579022] unbound[1553:0] info: response for stream.ne.jp. NS IN
[1546579022] unbound[1553:0] info: reply from <jp.> 210.138.175.244#53
[1546579022] unbound[1553:0] info: query response was REFERRAL
[1546579022] unbound[1553:0] info: resolving dns02.stream.ne.jp. A IN
[1546579022] unbound[1553:0] info: resolving dns03.stream.ne.jp. A IN
[1546579022] unbound[1553:0] info: resolving dns01.stream.ne.jp. A IN
[1546579022] unbound[1553:0] info: response for www.city.nerima.tokyo.jp. A IN
[1546579022] unbound[1553:0] info: reply from <stream.ne.jp.> 210.150.24.247#53
[1546579022] unbound[1553:0] info: query response was REFERRAL
[1546579022] unbound[1553:0] info: resolving cdnext.stream.ne.jp. NS IN
[1546579022] unbound[1553:0] info: resolving ns4.stream.co.jp. A IN
[1546579022] unbound[1553:0] info: response for dns03.stream.ne.jp. A IN
[1546579022] unbound[1553:0] info: reply from <stream.ne.jp.> 202.79.240.4#53
[1546579022] unbound[1553:0] info: query response was ANSWER
[1546579022] unbound[1553:0] info: response for stream.ne.jp. NS IN
[1546579022] unbound[1553:0] info: reply from <stream.ne.jp.> 210.150.24.247#53
[1546579022] unbound[1553:0] info: query response was ANSWER
[1546579022] unbound[1553:0] info: response for cdnext.stream.ne.jp. NS IN
[1546579022] unbound[1553:0] info: reply from <stream.ne.jp.> 210.150.24.247#53
[1546579022] unbound[1553:0] info: query response was REFERRAL
[1546579022] unbound[1553:0] info: resolving ns3.stream.co.jp. A IN
[1546579022] unbound[1553:0] info: response for dns02.stream.ne.jp. A IN
[1546579022] unbound[1553:0] info: reply from <stream.ne.jp.> 111.87.24.250#53
[1546579022] unbound[1553:0] info: query response was ANSWER
[1546579022] unbound[1553:0] info: response for dns01.stream.ne.jp. A IN
[1546579022] unbound[1553:0] info: reply from <stream.ne.jp.> 111.87.24.250#53
[1546579022] unbound[1553:0] info: query response was ANSWER
[1546579022] unbound[1553:0] info: response for ns3.stream.co.jp. A IN
[1546579022] unbound[1553:0] info: reply from <jp.> 202.12.30.131#53
[1546579022] unbound[1553:0] info: query response was nodata ANSWER
[1546579022] unbound[1553:0] info: response for ns4.stream.co.jp. A IN
[1546579022] unbound[1553:0] info: reply from <jp.> 192.50.43.53#53
[1546579022] unbound[1553:0] info: query response was nodata ANSWER
[1546579022] unbound[1553:0] info: response for ns4.stream.co.jp. A IN
[1546579022] unbound[1553:0] info: reply from <jp.> 210.138.175.244#53
[1546579022] unbound[1553:0] info: query response was REFERRAL
[1546579022] unbound[1553:0] info: resolving stream.co.jp. NS IN
[1546579022] unbound[1553:0] info: response for ns3.stream.co.jp. A IN
[1546579022] unbound[1553:0] info: reply from <jp.> 156.154.100.5#53
[1546579022] unbound[1553:0] info: query response was REFERRAL
[1546579022] unbound[1553:0] info: response for ns4.stream.co.jp. A IN
[1546579022] unbound[1553:0] info: reply from <stream.co.jp.> 202.79.241.8#53
[1546579022] unbound[1553:0] info: query response was ANSWER
[1546579022] unbound[1553:0] info: response for ns3.stream.co.jp. A IN
[1546579022] unbound[1553:0] info: reply from <stream.co.jp.> 210.150.45.250#53
[1546579022] unbound[1553:0] info: query response was ANSWER
[1546579022] unbound[1553:0] info: response for stream.co.jp. NS IN
[1546579022] unbound[1553:0] info: reply from <jp.> 192.50.43.53#53
[1546579022] unbound[1553:0] info: query response was REFERRAL
[1546579022] unbound[1553:0] info: resolving ns3.stream.co.jp. A IN
[1546579022] unbound[1553:0] info: resolving ns4.stream.co.jp. A IN
[1546579022] unbound[1553:0] info: resolving ns1.stream.co.jp. A IN
[1546579022] unbound[1553:0] info: response for cdnext.stream.ne.jp. NS IN
[1546579022] unbound[1553:0] info: reply from <cdnext.stream.ne.jp.> 202.79.241.8#53
[1546579022] unbound[1553:0] info: query response was ANSWER
[1546579022] unbound[1553:0] info: response for www.city.nerima.tokyo.jp. A IN
[1546579022] unbound[1553:0] info: reply from <cdnext.stream.ne.jp.> 111.87.24.133#53
[1546579022] unbound[1553:0] info: query response was CNAME
[1546579022] unbound[1553:0] info: resolving www.city.nerima.tokyo.jp. A IN
[1546579022] unbound[1553:0] info: response for stream.co.jp. NS IN
[1546579022] unbound[1553:0] info: reply from <stream.co.jp.> 202.79.241.8#53
[1546579022] unbound[1553:0] info: query response was ANSWER
[1546579022] unbound[1553:0] info: response for ns1.stream.co.jp. A IN
[1546579022] unbound[1553:0] info: reply from <stream.co.jp.> 210.150.45.250#53
[1546579022] unbound[1553:0] info: query response was ANSWER
[1546579022] unbound[1553:0] info: response for www.city.nerima.tokyo.jp. A IN
[1546579022] unbound[1553:0] info: reply from <stream.ne.jp.> 210.150.24.247#53
[1546579022] unbound[1553:0] info: query response was ANSWER