1. ccTLD/mu/tld.mu

$ dnsq a udns1.tld.mu udns1.tld.mu

1 udns1.tld.mu:
200 bytes, 1+0+5+5 records, response, noerror
query: 1 udns1.tld.mu
authority: tld.mu 43200 NS ns5.tld.mu
authority: tld.mu 43200 NS ns1.tld.mu
authority: tld.mu 43200 NS ns3.tld.mu
authority: tld.mu 43200 NS ns2.tld.mu
authority: tld.mu 43200 NS ns4.tld.mu
additional: ns1.tld.mu 43200 A 85.159.233.17
additional: ns2.tld.mu 43200 A 87.117.196.78
additional: ns3.tld.mu 43200 A 62.75.145.77
additional: ns4.tld.mu 43200 A 69.197.4.65
additional: ns5.tld.mu 43200 A 91.218.115.228

素直な委譲のようだ。

$ dnsq a udns1.tld.mu 85.159.233.17

1 udns1.tld.mu:
216 bytes, 1+1+5+5 records, response, authoritative, noerror
query: 1 udns1.tld.mu
answer: udns1.tld.mu 300 A 204.61.216.10
authority: tld.mu 3600 NS ns5.tld.mu
authority: tld.mu 3600 NS ns4.tld.mu
authority: tld.mu 3600 NS ns2.tld.mu
authority: tld.mu 3600 NS ns3.tld.mu
authority: tld.mu 3600 NS ns1.tld.mu
additional: ns1.tld.mu 300 A 85.159.233.17
additional: ns2.tld.mu 300 A 87.117.196.78
additional: ns3.tld.mu 300 A 62.75.145.77
additional: ns4.tld.mu 300 A 69.197.4.65
additional: ns5.tld.mu 300 A 91.218.115.228

$ dnsname 204.61.216.10

udns1.tld.mu