DNS/glue/bind-9.14.0について、ここに記述してください。
$ rndc flush WARNING: key file (/etc/rndc.key) exists, but using default configuration file (/etc/rndc.conf) $ dig +norec -t ns com ...
$ dig -t ns com @127.0.0.1 ; <<>> DiG 9.14.0 <<>> -t ns com @127.0.0.1 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 48004 ;; flags: qr rd ra ad; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 27 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 1220 ; COOKIE: 58ca49b6066b155a63de9f725ca21205d72650be664b4f09 (good) ;; QUESTION SECTION: ;com. IN NS ;; ANSWER SECTION: com. 172799 IN NS g.gtld-servers.net. com. 172799 IN NS f.gtld-servers.net. com. 172799 IN NS b.gtld-servers.net. com. 172799 IN NS h.gtld-servers.net. com. 172799 IN NS l.gtld-servers.net. com. 172799 IN NS j.gtld-servers.net. com. 172799 IN NS a.gtld-servers.net. com. 172799 IN NS e.gtld-servers.net. com. 172799 IN NS m.gtld-servers.net. com. 172799 IN NS c.gtld-servers.net. com. 172799 IN NS d.gtld-servers.net. com. 172799 IN NS k.gtld-servers.net. com. 172799 IN NS i.gtld-servers.net. ;; ADDITIONAL SECTION: a.gtld-servers.net. 172799 IN A 192.5.6.30 b.gtld-servers.net. 172799 IN A 192.33.14.30 c.gtld-servers.net. 172799 IN A 192.26.92.30 d.gtld-servers.net. 172799 IN A 192.31.80.30 e.gtld-servers.net. 172799 IN A 192.12.94.30 f.gtld-servers.net. 172799 IN A 192.35.51.30 g.gtld-servers.net. 172799 IN A 192.42.93.30 h.gtld-servers.net. 172799 IN A 192.54.112.30 i.gtld-servers.net. 172799 IN A 192.43.172.30 j.gtld-servers.net. 172799 IN A 192.48.79.30 k.gtld-servers.net. 172799 IN A 192.52.178.30 l.gtld-servers.net. 172799 IN A 192.41.162.30 m.gtld-servers.net. 172799 IN A 192.55.83.30 a.gtld-servers.net. 172799 IN AAAA 2001:503:a83e::2:30 b.gtld-servers.net. 172799 IN AAAA 2001:503:231d::2:30 c.gtld-servers.net. 172799 IN AAAA 2001:503:83eb::30 d.gtld-servers.net. 172799 IN AAAA 2001:500:856e::30 e.gtld-servers.net. 172799 IN AAAA 2001:502:1ca1::30 f.gtld-servers.net. 172799 IN AAAA 2001:503:d414::30 g.gtld-servers.net. 172799 IN AAAA 2001:503:eea3::30 h.gtld-servers.net. 172799 IN AAAA 2001:502:8cc::30 i.gtld-servers.net. 172799 IN AAAA 2001:503:39c1::30 j.gtld-servers.net. 172799 IN AAAA 2001:502:7094::30 k.gtld-servers.net. 172799 IN AAAA 2001:503:d2d::30 l.gtld-servers.net. 172799 IN AAAA 2001:500:d937::30 m.gtld-servers.net. 172799 IN AAAA 2001:501:b1f9::30 ;; Query time: 561 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: 月 4月 01 22:28:37 JST 2019 ;; MSG SIZE rcvd: 856
1. キャッシュには
net, nstld.com ともになさそう。
$ dig +norec -t ns net @127.0.0.1 ; <<>> DiG 9.14.0 <<>> +norec -t ns net @127.0.0.1 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 59945 ;; flags: qr ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 27 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 1220 ; COOKIE: f8728b0040e41be98089d3a25ca21228294be848ae07de67 (good) ;; QUESTION SECTION: ;net. IN NS ;; AUTHORITY SECTION: . 518365 IN NS j.root-servers.net. . 518365 IN NS g.root-servers.net. . 518365 IN NS d.root-servers.net. . 518365 IN NS i.root-servers.net. . 518365 IN NS a.root-servers.net. . 518365 IN NS k.root-servers.net. . 518365 IN NS e.root-servers.net. . 518365 IN NS m.root-servers.net. . 518365 IN NS c.root-servers.net. . 518365 IN NS f.root-servers.net. . 518365 IN NS h.root-servers.net. . 518365 IN NS b.root-servers.net. . 518365 IN NS l.root-servers.net. ;; ADDITIONAL SECTION: a.root-servers.net. 518364 IN A 198.41.0.4 ...
$ dig +norec -t ns nstld.com @127.0.0.1 ; <<>> DiG 9.14.0 <<>> +norec -t ns nstld.com @127.0.0.1 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 35971 ;; flags: qr ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 27 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 1220 ; COOKIE: a1ec1692a2068f8a260cbbac5ca21263a87c8f2822e65f2e (good) ;; QUESTION SECTION: ;nstld.com. IN NS ;; AUTHORITY SECTION: com. 172705 IN NS l.gtld-servers.net. com. 172705 IN NS g.gtld-servers.net. com. 172705 IN NS b.gtld-servers.net. com. 172705 IN NS c.gtld-servers.net. com. 172705 IN NS m.gtld-servers.net. com. 172705 IN NS k.gtld-servers.net. com. 172705 IN NS j.gtld-servers.net. com. 172705 IN NS e.gtld-servers.net. com. 172705 IN NS a.gtld-servers.net. com. 172705 IN NS f.gtld-servers.net. com. 172705 IN NS h.gtld-servers.net. com. 172705 IN NS d.gtld-servers.net. com. 172705 IN NS i.gtld-servers.net. ;; ADDITIONAL SECTION: a.gtld-servers.net. 172705 IN A 192.5.6.30 b.gtld-servers.net. 172705 IN A 192.33.14.30 ...