6月 152014
 

(自:freebit網より)

$ dig +norec @202.216.229.30 a cloudfront.net

; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.23.rc1.el6_5.1 <<>> +norec @202.216.229.30 a cloudfront.net
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 32115
;; flags: qr ra; QUERY: 1, ANSWER: 0, AUTHORITY: 4, ADDITIONAL: 1

;; QUESTION SECTION:
;cloudfront.net.                        IN      A

;; AUTHORITY SECTION:
cloudfront.net.         147896  IN      NS      ns-1306.awsdns-35.org.
cloudfront.net.         147896  IN      NS      ns-418.awsdns-52.com.
cloudfront.net.         147896  IN      NS      ns-666.awsdns-19.net.
cloudfront.net.         147896  IN      NS      ns-1597.awsdns-07.co.uk.

;; ADDITIONAL SECTION:
ns-418.awsdns-52.com.   148199  IN      A       205.251.193.162

;; Query time: 16 msec
;; SERVER: 202.216.229.30#53(202.216.229.30)
;; WHEN: Sun Jun 15 22:32:59 2014
;; MSG SIZE  rcvd: 185
$ drill @202.216.229.30
;; ->>HEADER<<- opcode: QUERY, rcode: REFUSED, id: 50017
;; flags: qr rd ; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;; .    IN      NS

;; ANSWER SECTION:

;; AUTHORITY SECTION:

;; ADDITIONAL SECTION:

;; Query time: 10 msec
;; SERVER: 202.216.229.30
;; WHEN: Sun Jun 15 22:57:23 2014
;; MSG SIZE  rcvd: 17


$ drill @202.216.229.30
;; ->>HEADER<<- opcode: QUERY, rcode: NOERROR, id: 45652
;; flags: qr rd ra ; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 13
;; QUESTION SECTION:
;; .    IN      NS

;; ANSWER SECTION:
.       122556  IN      NS      h.root-servers.net.
.       122556  IN      NS      m.root-servers.net.
.       122556  IN      NS      d.root-servers.net.
.       122556  IN      NS      f.root-servers.net.
.       122556  IN      NS      k.root-servers.net.
.       122556  IN      NS      l.root-servers.net.
.       122556  IN      NS      g.root-servers.net.
.       122556  IN      NS      j.root-servers.net.
.       122556  IN      NS      i.root-servers.net.
.       122556  IN      NS      c.root-servers.net.
.       122556  IN      NS      a.root-servers.net.
.       122556  IN      NS      b.root-servers.net.
.       122556  IN      NS      e.root-servers.net.

;; AUTHORITY SECTION:

;; ADDITIONAL SECTION:
i.root-servers.net.     321299  IN      A       192.36.148.17
i.root-servers.net.     377344  IN      AAAA    2001:7fe::53
m.root-servers.net.     320281  IN      A       202.12.27.33
m.root-servers.net.     372907  IN      AAAA    2001:dc3::35
b.root-servers.net.     325774  IN      A       192.228.79.201
b.root-servers.net.     351825  IN      AAAA    2001:500:84::b
g.root-servers.net.     325357  IN      A       192.112.36.4
a.root-servers.net.     319260  IN      A       198.41.0.4
a.root-servers.net.     515792  IN      AAAA    2001:503:ba3e::2:30
f.root-servers.net.     333757  IN      A       192.5.5.241
f.root-servers.net.     333757  IN      AAAA    2001:500:2f::f
e.root-servers.net.     321157  IN      A       192.203.230.10
l.root-servers.net.     320976  IN      A       199.7.83.42

;; Query time: 9 msec
;; SERVER: 202.216.229.30
;; WHEN: Sun Jun 15 22:57:24 2014
;; MSG SIZE  rcvd: 496

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