ccTLD/plについて、ここに記述してください。
pl の NS がいくつかのサブドメインでNSとして使われている。（形だけのゾーン、実質は大家長）
$ dnsq ns pl a.root-servers.net
2 pl: 412 bytes, 1+0+7+12 records, response, noerror query: 2 pl authority: pl 172800 NS a-dns.pl authority: pl 172800 NS d-dns.pl authority: pl 172800 NS e-dns.pl authority: pl 172800 NS f-dns.pl authority: pl 172800 NS g-dns.pl authority: pl 172800 NS h-dns.pl authority: pl 172800 NS i-dns.pl additional: a-dns.pl 172800 A 194.181.87.156 additional: d-dns.pl 172800 A 81.15.133.186 additional: e-dns.pl 172800 A 195.80.237.162 additional: f-dns.pl 172800 A 77.79.212.238 additional: g-dns.pl 172800 A 149.156.1.6 additional: h-dns.pl 172800 A 194.0.1.2 additional: i-dns.pl 172800 A 156.154.100.15 additional: a-dns.pl 172800 AAAA 2001:a10:121:1::156 additional: d-dns.pl 172800 AAAA 2a00:4120:8000:2::186 additional: f-dns.pl 172800 AAAA 2001:1a68::17:0:0:0:238 additional: g-dns.pl 172800 AAAA 2001:6d8::1:0:0:a:6 additional: h-dns.pl 172800 AAAA 2001:678:4::2
$ dnsq ns pl a-dns.pl
2 pl: 412 bytes, 1+7+0+12 records, response, authoritative, noerror query: 2 pl answer: pl 86400 NS h-dns.pl answer: pl 86400 NS d-dns.pl answer: pl 86400 NS a-dns.pl answer: pl 86400 NS f-dns.pl answer: pl 86400 NS i-dns.pl answer: pl 86400 NS e-dns.pl answer: 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 additional: h-dns.pl 86400 A 194.0.1.2 additional: h-dns.pl 86400 AAAA 2001:678:4::2 additional: i-dns.pl 86400 A 156.154.100.15