## page was renamed from DNS/KnotResolver/brau.internat.jp/brau.jpを乗取る/返答
## page was renamed from DNS/KnotResolver/brau.internat.jp/brau.jpを乗取る/別返答
= brau.jpを乗取る/返答 =
<<TableOfContents()>>

== 三種類の返答 ==
 1.  委譲返答
 2.  NXDOMAIN 返答
 3.  毒入返答

== 委譲返答 ==
毒の影響範囲が問題です。[[/brau.jpの返答]]

{{{
$ dig -t ns brau.internat.jp @127.0.0.1

; <<>> DiG 9.11.3-1ubuntu1.12-Ubuntu <<>> -t ns brau.internat.jp @127.0.0.1
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 31489
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;brau.internat.jp.		IN	NS

;; ANSWER SECTION:
brau.internat.jp.	595	IN	NS	ns.brau.jp.

;; Query time: 0 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Aug 29 11:15:00 JST 2020
;; MSG SIZE  rcvd: 56

}}}

== NXDOMAIN 返答 ==
これが一番まとも

== 毒入返答 ==
{{{
$ dig -t ns brau.internat.jp @1.1.1.1

; <<>> DiG 9.16.1-Ubuntu <<>> -t ns brau.internat.jp @1.1.1.1
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 19103
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;brau.internat.jp.		IN	NS

;; ANSWER SECTION:
brau.internat.jp.	300	IN	NS	ns.brau.internat.jp.

;; Query time: 35 msec
;; SERVER: 1.1.1.1#53(1.1.1.1)
;; WHEN: 土  8月 29 11:53:21 JST 2020
;; MSG SIZE  rcvd: 78

}}}