1. ext.nic.fr
中間ノード, zone ではない。 RRもない。（完全に空）
%dnsq any ext.nic.fr d.ext.nic.fr
255 ext.nic.fr: 372 bytes, 1+0+6+11 records, response, noerror query: 255 ext.nic.fr authority: nic.fr 172800 NS ns4.ext.nic.fr authority: nic.fr 172800 NS ns3.nic.fr authority: nic.fr 172800 NS ns1.ext.nic.fr authority: nic.fr 172800 NS ns1.nic.fr authority: nic.fr 172800 NS ns6.ext.nic.fr authority: nic.fr 172800 NS ns2.nic.fr additional: ns1.ext.nic.fr 172800 A 193.51.208.13 additional: ns1.nic.fr 172800 A 192.134.4.1 additional: ns1.nic.fr 172800 28 \040\001\006`0\003\000\002\000\000\000\000\000\004\000\001 additional: ns2.nic.fr 172800 A 192.93.0.4 additional: ns2.nic.fr 172800 28 \040\001\006`0\005\000\001\000\000\000\000\000\001\000\002 additional: ns3.nic.fr 172800 A 192.134.0.49 additional: ns3.nic.fr 172800 28 \040\001\006`0\006\000\001\000\000\000\000\000\001\000\001 additional: ns4.ext.nic.fr 172800 A 193.0.9.4 additional: ns4.ext.nic.fr 172800 28 \040\001\006|\000\340\000\000\000\000\000\000\000\000\000\004 additional: ns6.ext.nic.fr 172800 A 130.59.138.49 additional: ns6.ext.nic.fr 172800 28 \040\001\006\040\000\000\000\033PT\000\377\376t\207\200