ccTLD/pl/gov.plについて、ここに記述してください。

gov.pl は pl  と同居。　（親のNSを参照している）
  [[/trade.gov.pl]]

$ dnsq ns gov.pl a-dns.pl
{{{
2 gov.pl:
316 bytes, 1+5+0+9 records, response, authoritative, noerror
query: 2 gov.pl
answer: gov.pl 86400 NS e-dns.pl
answer: gov.pl 86400 NS a-dns.pl
answer: gov.pl 86400 NS f-dns.pl
answer: gov.pl 86400 NS d-dns.pl
answer: gov.pl 86400 NS g-dns.pl
additional: a-dns.pl 86400 A 194.181.87.156
additional: a-dns.pl 86400 AAAA 2001:a10:121:1::156
additional: d-dns.pl 86400 A 81.15.133.186
additional: d-dns.pl 86400 AAAA 2a00:4120:8000:2::186
additional: e-dns.pl 86400 A 195.80.237.162
additional: f-dns.pl 86400 A 77.79.212.238
additional: f-dns.pl 86400 AAAA 2001:1a68::17:0:0:0:238
additional: g-dns.pl 86400 A 149.156.1.6
additional: g-dns.pl 86400 AAAA 2001:6d8::1:0:0:a:6
}}}

この返答中の additional section をどう受け止めますか。
----
$ dnsq ns premier.gov.pl a-dns.pl
{{{
2 premier.gov.pl:
114 bytes, 1+0+2+2 records, response, noerror
query: 2 premier.gov.pl
authority: premier.gov.pl 86400 NS ares.kprm.gov.pl
authority: premier.gov.pl 86400 NS dns1.cokprm.gov.pl
additional: ares.kprm.gov.pl 86400 A 91.198.194.19
additional: dns1.cokprm.gov.pl 86400 A 217.149.246.100
}}}


$ dnsq ns kprm.gov.pl a-dns.pl
{{{
2 kprm.gov.pl:
106 bytes, 1+0+2+2 records, response, noerror
query: 2 kprm.gov.pl
authority: kprm.gov.pl 86400 NS ares.kprm.gov.pl
authority: kprm.gov.pl 86400 NS dns1.cokprm.gov.pl
additional: ares.kprm.gov.pl 86400 A 91.198.194.19
additional: dns1.cokprm.gov.pl 86400 A 217.149.246.100
}}}

$ dnsq ns cokprm.gov.pl a-dns.pl
{{{
2 cokprm.gov.pl:
106 bytes, 1+0+2+2 records, response, noerror
query: 2 cokprm.gov.pl
authority: cokprm.gov.pl 86400 NS ares.kprm.gov.pl
authority: cokprm.gov.pl 86400 NS dns1.cokprm.gov.pl
additional: ares.kprm.gov.pl 86400 A 91.198.194.19
additional: dns1.cokprm.gov.pl 86400 A 217.149.246.100
}}}

----
$ dnsq a www.msz.gov.pl a-dns.pl
{{{
1 www.msz.gov.pl:
115 bytes, 1+0+4+0 records, response, noerror
query: 1 www.msz.gov.pl
authority: msz.gov.pl 86400 NS dns2.exatel.pl
authority: msz.gov.pl 86400 NS dns3.exatel.pl
authority: msz.gov.pl 86400 NS dns1.exatel.pl
authority: msz.gov.pl 86400 NS dns4.exatel.pl
}}}


----


$ dnsq ns polska.pl a-dns.pl
{{{
2 polska.pl:
174 bytes, 1+0+4+4 records, response, noerror
query: 2 polska.pl
authority: polska.pl 86400 NS dns1.exatel.pl
authority: polska.pl 86400 NS dns4.exatel.pl
authority: polska.pl 86400 NS dns3.exatel.pl
authority: polska.pl 86400 NS dns2.exatel.pl
additional: dns1.exatel.pl 86400 A 213.172.186.4
additional: dns2.exatel.pl 86400 A 213.172.186.5
additional: dns3.exatel.pl 86400 A 195.136.250.200
additional: dns4.exatel.pl 86400 A 195.136.250.201
}}}

$ dnsq ns exatel.pl a-dns.pl
{{{
2 exatel.pl:
167 bytes, 1+0+4+4 records, response, noerror
query: 2 exatel.pl
authority: exatel.pl 86400 NS dns1.exatel.pl
authority: exatel.pl 86400 NS dns4.exatel.pl
authority: exatel.pl 86400 NS dns3.exatel.pl
authority: exatel.pl 86400 NS dns2.exatel.pl
additional: dns1.exatel.pl 86400 A 213.172.186.4
additional: dns2.exatel.pl 86400 A 213.172.186.5
additional: dns3.exatel.pl 86400 A 195.136.250.200
additional: dns4.exatel.pl 86400 A 195.136.250.201
}}}