watchWWW/toyota.jpについて、ここに記述してください。

参考： DNS/実装/KnotDNSresolver/query-minimization/www.toyota.jp

/a.dns.jp

%dnsq a www.toyota.jp a10-64.akam.net 

1 www.toyota.jp:
119 bytes, 1+1+0+0 records, response, authoritative, noerror
query: 1 www.toyota.jp
answer: www.toyota.jp 60 CNAME dualstack.commercial-atidglb10-1335373542.ap-northeast-1.elb.amazonaws.com

%dnsq a dualstack.commercial-atidglb10-1335373542.ap-northeast-1.elb.amazonaws.com a.gtld-servers.net 

1 dualstack.commercial-atidglb10-1335373542.ap-northeast-1.elb.amazonaws.com:
224 bytes, 1+0+4+4 records, response, noerror
query: 1 dualstack.commercial-atidglb10-1335373542.ap-northeast-1.elb.amazonaws.com
authority: amazonaws.com 172800 NS u1.amazonaws.com
authority: amazonaws.com 172800 NS u2.amazonaws.com
authority: amazonaws.com 172800 NS r1.amazonaws.com
authority: amazonaws.com 172800 NS r2.amazonaws.com
additional: u1.amazonaws.com 172800 A 156.154.64.10
additional: u2.amazonaws.com 172800 A 156.154.65.10
additional: r1.amazonaws.com 172800 A 205.251.192.27
additional: r2.amazonaws.com 172800 A 205.251.195.199

%dnsq a dualstack.commercial-atidglb10-1335373542.ap-northeast-1.elb.amazonaws.com r1.amazonaws.com 

1 dualstack.commercial-atidglb10-1335373542.ap-northeast-1.elb.amazonaws.com:
228 bytes, 1+0+4+0 records, response, noerror
query: 1 dualstack.commercial-atidglb10-1335373542.ap-northeast-1.elb.amazonaws.com
authority: ap-northeast-1.elb.amazonaws.com 300 NS ns-1325.awsdns-37.org
authority: ap-northeast-1.elb.amazonaws.com 300 NS ns-1683.awsdns-18.co.uk
authority: ap-northeast-1.elb.amazonaws.com 300 NS ns-54.awsdns-06.com
authority: ap-northeast-1.elb.amazonaws.com 300 NS ns-982.awsdns-58.net

%dnsq a dualstack.commercial-atidglb10-1335373542.ap-northeast-1.elb.amazonaws.com ns-54.awsdns-06.com 

1 dualstack.commercial-atidglb10-1335373542.ap-northeast-1.elb.amazonaws.com:
356 bytes, 1+8+4+0 records, response, authoritative, noerror
query: 1 dualstack.commercial-atidglb10-1335373542.ap-northeast-1.elb.amazonaws.com
answer: dualstack.commercial-atidglb10-1335373542.ap-northeast-1.elb.amazonaws.com 60 A 52.69.132.238
answer: dualstack.commercial-atidglb10-1335373542.ap-northeast-1.elb.amazonaws.com 60 A 52.68.245.27
answer: dualstack.commercial-atidglb10-1335373542.ap-northeast-1.elb.amazonaws.com 60 A 52.68.160.132
answer: dualstack.commercial-atidglb10-1335373542.ap-northeast-1.elb.amazonaws.com 60 A 52.69.82.147
answer: dualstack.commercial-atidglb10-1335373542.ap-northeast-1.elb.amazonaws.com 60 A 52.69.113.253
answer: dualstack.commercial-atidglb10-1335373542.ap-northeast-1.elb.amazonaws.com 60 A 52.68.114.13
answer: dualstack.commercial-atidglb10-1335373542.ap-northeast-1.elb.amazonaws.com 60 A 52.69.106.152
answer: dualstack.commercial-atidglb10-1335373542.ap-northeast-1.elb.amazonaws.com 60 A 54.178.255.214
authority: ap-northeast-1.elb.amazonaws.com 1800 NS ns-1325.awsdns-37.org
authority: ap-northeast-1.elb.amazonaws.com 1800 NS ns-1683.awsdns-18.co.uk
authority: ap-northeast-1.elb.amazonaws.com 1800 NS ns-54.awsdns-06.com
authority: ap-northeast-1.elb.amazonaws.com 1800 NS ns-982.awsdns-58.net

これで返事は得られるのだが。

1. NXDOMAIN 返答はおかしい

%dnsq ns elb.amazonaws.com r1.amazonaws.com 

2 elb.amazonaws.com:
109 bytes, 1+0+1+0 records, response, authoritative, nxdomain
query: 2 elb.amazonaws.com
authority: amazonaws.com 7200 SOA dns-external-master.amazon.com hostmaster.amazon.com 2012091400 180 60 2592000 5