1. TLD/it
依存関係がやや複雑。
/cnr.it nameserver.cnr.it で親子同居状態、 *.dns.it でも。
%dnsq ns it a.root-servers.net
2 it: 463 bytes, 1+0+7+14 records, response, noerror query: 2 it authority: it 172800 NS nameserver.cnr.it authority: it 172800 NS dns.nic.it authority: it 172800 NS s.dns.it authority: it 172800 NS r.dns.it authority: it 172800 NS m.dns.it authority: it 172800 NS c.dns.it authority: it 172800 NS a.dns.it additional: nameserver.cnr.it 172800 A 194.119.192.34 additional: nameserver.cnr.it 172800 28 *\000\026\040\000\300\002\040\001\224\001\031\001\222\0004 additional: dns.nic.it 172800 A 192.12.192.5 additional: dns.nic.it 172800 28 *\000\015@\000\001\000\001\000\000\000\000\000\000\000\005 additional: s.dns.it 172800 A 194.146.106.30 additional: s.dns.it 172800 28 \040\001\006|\020\020\000\007\000\000\000\000\000\000\000S additional: r.dns.it 172800 A 193.206.141.46 additional: r.dns.it 172800 28 \040\001\007`\377\377\377\377\000\000\000\000\000\000\000\312 additional: m.dns.it 172800 A 217.29.76.4 additional: m.dns.it 172800 28 \040\001\032\300\000\000\002\000\000\000\245\321`\004\000\002 additional: c.dns.it 172800 A 194.0.1.22 additional: c.dns.it 172800 28 \040\001\006x\000\004\000\000\000\000\000\000\000\000\000\026 additional: a.dns.it 172800 A 194.0.16.215 additional: a.dns.it 172800 28 \040\001\006x\000\022\000\000\001\224\000\000\000\026\002\025
%dnsq ns it 194.146.106.30
2 it: 419 bytes, 1+7+0+12 records, response, authoritative, noerror query: 2 it answer: it 10800 NS r.dns.it answer: it 10800 NS m.dns.it answer: it 10800 NS s.dns.it answer: it 10800 NS a.dns.it answer: it 10800 NS dns.nic.it answer: it 10800 NS c.dns.it answer: it 10800 NS nameserver.cnr.it additional: a.dns.it 10800 A 194.0.16.215 additional: a.dns.it 10800 28 \040\001\006x\000\022\000\000\001\224\000\000\000\026\002\025 additional: c.dns.it 10800 A 194.0.1.22 additional: c.dns.it 10800 28 \040\001\006x\000\004\000\000\000\000\000\000\000\000\000\026 additional: m.dns.it 10800 A 217.29.76.4 additional: m.dns.it 10800 28 \040\001\032\300\000\000\002\000\000\000\245\321`\004\000\002 additional: r.dns.it 10800 A 193.206.141.46 additional: r.dns.it 10800 28 \040\001\007`\377\377\377\377\000\000\000\000\000\000\000\312 additional: s.dns.it 10800 A 194.146.106.30 additional: s.dns.it 10800 28 \040\001\006|\020\020\000\007\000\000\000\000\000\000\000S additional: dns.nic.it 10800 A 192.12.192.5 additional: dns.nic.it 10800 28 *\000\015@\000\001\000\001\000\000\000\000\000\000\000\005
%dnsq ns dns.it 194.146.106.30
2 dns.it: 332 bytes, 1+5+0+10 records, response, authoritative, noerror query: 2 dns.it answer: dns.it 10800 NS dns.nic.it answer: dns.it 10800 NS c.dns.it answer: dns.it 10800 NS m.dns.it answer: dns.it 10800 NS ns2.nic.it answer: dns.it 10800 NS s.dns.it additional: c.dns.it 10800 A 194.0.1.22 additional: c.dns.it 10800 28 \040\001\006x\000\004\000\000\000\000\000\000\000\000\000\026 additional: m.dns.it 10800 A 217.29.76.4 additional: m.dns.it 10800 28 \040\001\032\300\000\000\002\000\000\000\245\321`\004\000\002 additional: s.dns.it 10800 A 194.146.106.30 additional: s.dns.it 10800 28 \040\001\006|\020\020\000\007\000\000\000\000\000\000\000S additional: dns.nic.it 10800 A 192.12.192.5 additional: dns.nic.it 10800 28 *\000\015@\000\001\000\001\000\000\000\000\000\000\000\005 additional: ns2.nic.it 600 A 192.12.192.3 additional: ns2.nic.it 600 28 *\000\015@\000\001\000\001\000\000\000\000\000\000\000\003
%dnsq ns nic.it 194.146.106.30
2 nic.it: 421 bytes, 1+7+0+12 records, response, authoritative, noerror query: 2 nic.it answer: nic.it 600 NS dns.nic.it answer: nic.it 600 NS s.dns.it answer: nic.it 600 NS r.dns.it answer: nic.it 600 NS nameserver.cnr.it answer: nic.it 600 NS m.dns.it answer: nic.it 600 NS ns2.nic.it answer: nic.it 600 NS c.dns.it additional: c.dns.it 10800 A 194.0.1.22 additional: c.dns.it 10800 28 \040\001\006x\000\004\000\000\000\000\000\000\000\000\000\026 additional: m.dns.it 10800 A 217.29.76.4 additional: m.dns.it 10800 28 \040\001\032\300\000\000\002\000\000\000\245\321`\004\000\002 additional: r.dns.it 10800 A 193.206.141.46 additional: r.dns.it 10800 28 \040\001\007`\377\377\377\377\000\000\000\000\000\000\000\312 additional: s.dns.it 10800 A 194.146.106.30 additional: s.dns.it 10800 28 \040\001\006|\020\020\000\007\000\000\000\000\000\000\000S additional: dns.nic.it 10800 A 192.12.192.5 additional: dns.nic.it 10800 28 *\000\015@\000\001\000\001\000\000\000\000\000\000\000\005 additional: ns2.nic.it 600 A 192.12.192.3 additional: ns2.nic.it 600 28 *\000\015@\000\001\000\001\000\000\000\000\000\000\000\003