1. TLD/fr

多世代同居ではない。　NSのないドメイン名 ext.nic.fr

/gouv.fr

/lri.fr /zonefile.fr /renater.fr /afnic.fr /DNSSEC

%dnsq ns fr a.root-servers.net

2 fr:
328 bytes, 1+0+5+10 records, response, noerror
query: 2 fr
authority: fr 172800 NS g.ext.nic.fr
authority: fr 172800 NS f.ext.nic.fr
authority: fr 172800 NS e.ext.nic.fr
authority: fr 172800 NS d.nic.fr
authority: fr 172800 NS d.ext.nic.fr
...

%dnsq ns fr d.nic.fr

2 fr:
108 bytes, 1+5+0+0 records, response, authoritative, noerror
query: 2 fr
answer: fr 172800 NS d.ext.nic.fr
answer: fr 172800 NS d.nic.fr
answer: fr 172800 NS e.ext.nic.fr
answer: fr 172800 NS f.ext.nic.fr
answer: fr 172800 NS g.ext.nic.fr

1.1. nic.fr

%dnsq ns nic.fr d.ext.nic.fr

2 nic.fr:
372 bytes, 1+0+6+11 records, response, noerror
query: 2 nic.fr
authority: nic.fr 172800 NS ns3.nic.fr
authority: nic.fr 172800 NS ns2.nic.fr
authority: nic.fr 172800 NS ns1.ext.nic.fr
authority: nic.fr 172800 NS ns4.ext.nic.fr
authority: nic.fr 172800 NS ns1.nic.fr
authority: nic.fr 172800 NS ns6.ext.nic.fr

$ dnsq ns ext.nic.fr ns2.nic.fr

2 ext.nic.fr:
85 bytes, 1+0+1+0 records, response, authoritative, noerror
query: 2 ext.nic.fr
authority: nic.fr 5400 SOA dnsmaster.nic.fr hostmaster.nic.fr 2014101000 7200 1800 2419200 5400

1.2. minimal or not

NS queryの返事で分かるかも。

こことadditionalはglueではなく、ただのおまけ。

%dnsq ns nic.fr ns1.nic.fr                                   ~/dnsq/cctld
2 nic.fr:
310 bytes, 1+5+0+9 records, response, authoritative, noerror
query: 2 nic.fr
answer: nic.fr 172800 NS ns1.ext.nic.fr
answer: nic.fr 172800 NS ns2.nic.fr
answer: nic.fr 172800 NS ns1.nic.fr
answer: nic.fr 172800 NS ns6.ext.nic.fr
answer: nic.fr 172800 NS ns3.nic.fr
additional: ns1.ext.nic.fr 172800 A 193.51.208.13
additional: ns1.nic.fr 172800 A 192.134.4.1
additional: ns2.nic.fr 172800 A 192.93.0.4
additional: ns3.nic.fr 172800 A 192.134.0.49
additional: ns6.ext.nic.fr 172800 A 130.59.31.29

1.3. minimal-responses

%dnsq ns nic.fr ns6.ext.nic.fr                               ~/dnsq/cctld
2 nic.fr:
124 bytes, 1+5+0+0 records, response, authoritative, noerror
query: 2 nic.fr
answer: nic.fr 172800 NS ns1.ext.nic.fr
answer: nic.fr 172800 NS ns1.nic.fr
answer: nic.fr 172800 NS ns2.nic.fr
answer: nic.fr 172800 NS ns3.nic.fr
answer: nic.fr 172800 NS ns6.ext.nic.fr