TLD/com/mtxinu.comについて、ここに記述してください。
$ dnsq ns mtxinu.com a.gtld-servers.net
2 mtxinu.com: 184 bytes, 1+0+4+4 records, response, noerror query: 2 mtxinu.com authority: mtxinu.com 172800 NS mtxinu.com authority: mtxinu.com 172800 NS ns.uu.net authority: mtxinu.com 172800 NS uucp-gw-1.pa.dec.com authority: mtxinu.com 172800 NS uucp-gw-2.pa.dec.com additional: mtxinu.com 172800 A 131.106.1.1 additional: ns.uu.net 172800 A 137.39.1.3 additional: uucp-gw-1.pa.dec.com 172800 A 204.123.2.18 additional: uucp-gw-2.pa.dec.com 172800 A 204.123.2.19