ccTLD/pl/tpnet.plについて、ここに記述してください。
$ dnsq ns tpnet.pl a-dns.pl
2 tpnet.pl: 128 bytes, 1+0+3+3 records, response, noerror query: 2 tpnet.pl authority: tpnet.pl 86400 NS ns3.tpnet.pl authority: tpnet.pl 86400 NS ns1.tpnet.pl authority: tpnet.pl 86400 NS ns2.tpnet.pl additional: ns1.tpnet.pl 86400 A 80.50.50.100 additional: ns2.tpnet.pl 86400 A 80.50.50.150 additional: ns3.tpnet.pl 86400 A 80.50.50.200
$ dnsq ns tpnet.pl 80.50.50.100
2 tpnet.pl: 287 bytes, 1+5+0+7 records, response, authoritative, noerror query: 2 tpnet.pl answer: tpnet.pl 86400 NS ns3.tpnet.pl answer: tpnet.pl 86400 NS ns2.tpnet.pl answer: tpnet.pl 86400 NS dns2.man.lodz.pl answer: tpnet.pl 86400 NS ns1.tpnet.pl answer: tpnet.pl 86400 NS szeloba.nask.waw.pl additional: ns1.tpnet.pl 86400 A 80.50.50.100 additional: ns1.tpnet.pl 86400 AAAA 2a01:1700:2:1::3264 additional: ns2.tpnet.pl 86400 A 80.50.50.150 additional: ns2.tpnet.pl 86400 AAAA 2a01:1700:3:2::3296 additional: ns3.tpnet.pl 86400 A 80.50.50.200 additional: ns3.tpnet.pl 86400 AAAA 2a01:1700:2:3::32c8 additional: dns2.man.lodz.pl 1800 A 212.51.192.5