MoinQ: DNS/脆弱性/GhostDomainNames/unbound

DNS/GhostDomainNames/unboundについて、ここに記述してください。

これで解消されていると言えるのか　-- ToshinoriMaeno 2014-12-11 00:31:04

1. 親

$ dig -t ns vv.qmail.jp @a.ns.qmail.jp

;; Warning: Message parser reports malformed message packet.
;; Truncated, retrying in TCP mode.

; <<>> DiG 9.9.5-3ubuntu0.1-Ubuntu <<>> -t ns vv.qmail.jp @a.ns.qmail.jp
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 57033
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
;; WARNING: recursion requested but not available

;; QUESTION SECTION:
;vv.qmail.jp.                   IN      NS

;; AUTHORITY SECTION:
vv.qmail.jp.            259200  IN      NS      a.ns.vv.qmail.jp.

;; ADDITIONAL SECTION:
a.ns.vv.qmail.jp.       259200  IN      A       14.192.44.29

;; Query time: 41 msec
;; SERVER: 14.192.44.5#53(14.192.44.5)
;; WHEN: Thu Dec 11 09:28:53 JST 2014
;; MSG SIZE  rcvd: 64

$ dig -t ns vv.qmail.jp

; <<>> DiG 9.9.5-3ubuntu0.1-Ubuntu <<>> -t ns vv.qmail.jp
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 28619
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 2

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;vv.qmail.jp.                   IN      NS

;; ANSWER SECTION:
vv.qmail.jp.            345600  IN      NS      a.ns.vv.qmail.jp.

;; ADDITIONAL SECTION:
a.ns.vv.qmail.jp.       345600  IN      A       14.192.44.29

;; Query time: 610 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Dec 11 09:26:58 JST 2014
;; MSG SIZE  rcvd: 75