1. TLD/it

依存関係がやや複雑。

%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