TLD/gTLD/zoneについて、ここに記述してください。
http://www.buddyns.com/delegation-lab/zone
%dnsq ns zone a.root-servers.net
2 zone: 318 bytes, 1+0+4+8 records, response, noerror query: 2 zone authority: zone 172800 NS demand.gamma.aridns.net.au authority: zone 172800 NS demand.delta.aridns.net.au authority: zone 172800 NS demand.alpha.aridns.net.au authority: zone 172800 NS demand.beta.aridns.net.au additional: demand.gamma.aridns.net.au 172800 A 37.209.196.7 additional: demand.gamma.aridns.net.au 172800 28 \040\001\015\315\000\003\000\000\000\000\000\000\000\000\000\007 additional: demand.delta.aridns.net.au 172800 A 37.209.198.7 additional: demand.delta.aridns.net.au 172800 28 \040\001\015\315\000\004\000\000\000\000\000\000\000\000\000\007 additional: demand.alpha.aridns.net.au 172800 A 37.209.192.7 additional: demand.alpha.aridns.net.au 172800 28 \040\001\015\315\000\001\000\000\000\000\000\000\000\000\000\007 additional: demand.beta.aridns.net.au 172800 A 37.209.194.7 additional: demand.beta.aridns.net.au 172800 28 \040\001\015\315\000\002\000\000\000\000\000\000\000\000\000\007