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
%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