MoinQ:

ccTLD/uk/mil.ukについて、ここに記述してください。

mil.uk は mod.uk の別称

$ dnsq ns mil.uk nsd.nic.uk

2 mil.uk:
256 bytes, 1+1+5+6 records, response, authoritative, noerror
query: 2 mil.uk
answer: mil.uk 172800 CNAME mod.uk
authority: mod.uk 172800 NS ns1.cs.ucl.ac.uk
authority: mod.uk 172800 NS ns1.mod.uk
authority: mod.uk 172800 NS ns2.mod.uk
authority: mod.uk 172800 NS ns1.nic.uk
authority: mod.uk 172800 NS relay.mod.uk
additional: ns1.cs.ucl.ac.uk 172800 A 128.16.5.32
additional: ns1.mod.uk 172800 A 94.236.30.111
additional: ns1.nic.uk 172800 A 195.66.240.130
additional: ns1.nic.uk 172800 AAAA 2a01:40:1001:35::2
additional: ns2.mod.uk 172800 A 94.236.30.112
additional: relay.mod.uk 172800 A 194.61.92.13

$ dnsq ns mod.uk ns1.mod.uk

2 mod.uk:
142 bytes, 1+4+0+2 records, response, authoritative, noerror
query: 2 mod.uk
answer: mod.uk 7200 NS ns1.nic.uk
answer: mod.uk 7200 NS ns1.cs.ucl.ac.uk
answer: mod.uk 7200 NS ns1.mod.uk
answer: mod.uk 7200 NS ns2.mod.uk
additional: ns1.mod.uk 7200 A 94.236.30.111
additional: ns2.mod.uk 7200 A 94.236.30.112

ns1.nic.uk などは親のNSだ。


$ dnsq a www.mod.uk ns1.mod.uk

1 www.mod.uk:
86 bytes, 1+1+0+0 records, response, authoritative, noerror
query: 1 www.mod.uk
answer: www.mod.uk 7200 CNAME redirector-cdn.production.govuk.service.gov.uk