1. DNS/minimal-responses

minimal responsesをするDNSゾーンサービスを集めています。

wiki : DNS/返答/minimal-responses/返答例

国内だと、xserver, lolipop

JP外ではhttp://akam.net, azure-dns, googledomains, http://cloudflare.com など

以下の違いが分かりますか。

f%dnsq a www.qmail.jp a.dns.jp

1 www.qmail.jp:
65 bytes, 1+0+1+1 records, response, noerror
query: 1 www.qmail.jp
authority: qmail.jp 86400 NS a.ns.qmail.jp
additional: a.ns.qmail.jp 86400 A 14.192.44.5

16:32f%dnsq a www.qmail.jp a.ns.qmail.jp

1 www.qmail.jp:
46 bytes, 1+1+0+0 records, response, authoritative, noerror
query: 1 www.qmail.jp
answer: www.qmail.jp 86400 A 14.192.44.5

16:32f%dnsq a www.reflection.co.jp a.dns.jp

1 www.reflection.co.jp:
156 bytes, 1+0+2+2 records, response, noerror
query: 1 www.reflection.co.jp
authority: reflection.co.jp 86400 NS ns.reflection.co.jp
authority: reflection.co.jp 86400 NS uz57mg5xm54l2xmkkzc44qwggu9n3pcj8vqxqmp7ttdcrcx6jt6qmk.reflection.co.jp
additional: ns.reflection.co.jp 86400 A 14.192.44.1
additional: uz57mg5xm54l2xmkkzc44qwggu9n3pcj8vqxqmp7ttdcrcx6jt6qmk.reflection.co.jp 86400 A 59.106.186.131

16:33f%dnsq a www.reflection.co.jp ns.reflection.co.jp

1 www.reflection.co.jp:
172 bytes, 1+1+2+2 records, response, authoritative, noerror
query: 1 www.reflection.co.jp
answer: www.reflection.co.jp 86400 A 14.192.44.2
authority: reflection.co.jp 86400 NS ns.reflection.co.jp
authority: reflection.co.jp 86400 NS uz57mg5xm54l2xmkkzc44qwggu9n3pcj8vqxqmp7ttdcrcx6jt6qmk.reflection.co.jp
additional: ns.reflection.co.jp 86400 A 14.192.44.1
additional: uz57mg5xm54l2xmkkzc44qwggu9n3pcj8vqxqmp7ttdcrcx6jt6qmk.reflection.co.jp 86400 A 59.106.186.131

1.1. ns1.dns.ne.jp

%dnsq ns acrodea.co.jp ns1.dns.ne.jp
2 acrodea.co.jp:
170 bytes, 1+5+0+2 records, response, authoritative, noerror
query: 2 acrodea.co.jp
answer: acrodea.co.jp 86400 NS uns02.usen.ad.jp
answer: acrodea.co.jp 86400 NS ns1.dns.ne.jp
answer: acrodea.co.jp 86400 NS ns2.dns.ne.jp
answer: acrodea.co.jp 86400 NS ns2.acrodea.co.jp
answer: acrodea.co.jp 86400 NS ns5.acrodea.co.jp
additional: ns2.acrodea.co.jp 86400 A 59.106.18.36
additional: ns5.acrodea.co.jp 86400 A 122.212.156.195

13:44f%dnsq ns acrodea.jp ns1.dns.ne.jp
2 acrodea.jp:
118 bytes, 1+4+0+0 records, response, authoritative, noerror
query: 2 acrodea.jp
answer: acrodea.jp 86400 NS ns1.dns.ne.jp
answer: acrodea.jp 86400 NS ns2.dns.ne.jp
answer: acrodea.jp 86400 NS ns2.acrodea.co.jp
answer: acrodea.jp 86400 NS ns5.acrodea.co.jp