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。

== 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

}}}