TLD/govについて、ここに記述してください。
| /cdc.gov /dhs |
$ dnsq ns gov. a.root-servers.net
2 gov: 128 bytes, 1+0+2+3 records, response, noerror query: 2 gov authority: gov 172800 NS a.gov-servers.net authority: gov 172800 NS b.gov-servers.net additional: a.gov-servers.net 172800 A 69.36.157.30 additional: b.gov-servers.net 172800 A 209.112.123.30 additional: a.gov-servers.net 172800 AAAA 2001:500:4431::2:30
$ dnsq a a.gov-servers.net a.gtld-servers.net
1 a.gov-servers.net: 292 bytes, 1+0+4+8 records, response, noerror query: 1 a.gov-servers.net authority: gov-servers.net 172800 NS av1.nstld.com authority: gov-servers.net 172800 NS av2.nstld.com authority: gov-servers.net 172800 NS av3.nstld.com authority: gov-servers.net 172800 NS av4.nstld.com additional: av1.nstld.com 172800 A 192.42.177.30 additional: av1.nstld.com 172800 28 \040\001\005\000\001$\000\000\000\000\000\000\000\000\0000 additional: av2.nstld.com 172800 A 192.42.178.30 additional: av2.nstld.com 172800 28 \040\001\005\000\001%\000\000\000\000\000\000\000\000\0000 additional: av3.nstld.com 172800 A 192.82.133.30 additional: av3.nstld.com 172800 28 \040\001\005\000\001&\000\000\000\000\000\000\000\000\0000 additional: av4.nstld.com 172800 A 192.82.134.30 additional: av4.nstld.com 172800 28 \040\001\005\000\001'\000\000\000\000\000\000\000\000\0000
これで av*.nstld.com のAをどうやって得るかという問題にたどりつく。 -- ToshinoriMaeno 2016-01-20 23:55:17