DNS/実装/unbound/1.8.3/logについて、ここに記述してください。
$ dig -t txt x.s1.brau.jp @127.0.0.3
; <<>> DiG 9.12.3 <<>> -t txt x.s1.brau.jp @127.0.0.3 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 9276 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 1220 ;; QUESTION SECTION: ;x.s1.brau.jp. IN TXT ;; AUTHORITY SECTION: s1.brau.jp. 2560 IN SOA a.ns.brau.jp. hostmaster.s1.brau.jp. 1546394385 16384 2048 1048576 2560 s1.brau.jp. 600 IN NS a.ns.brau.jp. ;; ADDITIONAL SECTION: a.ns.brau.jp. 3600 IN A 14.192.44.29 ;; Query time: 41 msec ;; SERVER: 127.0.0.3#53(127.0.0.3) ;; WHEN: 金 1月 04 10:02:24 JST 2019 ;; MSG SIZE rcvd: 123
2019-01-04 10:02:24.073936500 276e870c:ba53:e3f0 + S0001 s1.brau.jp 2019-01-04 10:02:24.078238500 276e870c:399c:9e97 + S0001 ns.brau.jp 2019-01-04 10:02:24.078406500 276e870c:485e:b840 + S0002 brau.jp 2019-01-04 10:02:24.084430500 276e870c:2a98:ced9 + S0001 x.s1.brau.jp 2019-01-04 10:02:24.087809500 276e870c:eb07:bdd2 + S0001 a.ns.brau.jp 2019-01-04 10:02:24.095597500 276e870c:c3af:8cf6 + S0010 x.s1.brau.jp
- なぜこれらの問合せを送るのか。
1. s1.brau.jp
$ dnsq a s1.brau.jp 14.192.44.29 1 s1.brau.jp: 79 bytes, 1+1+1+1 records, response, authoritative, noerror query: 1 s1.brau.jp answer: s1.brau.jp 3600 A 127.0.0.5 authority: s1.brau.jp 300 NS a.ns.brau.jp additional: a.ns.brau.jp 3600 A 14.192.44.29