; <<>> DiG 9.4.0 <<>> @::1 +time=30 aaaa external.ak.fbcdn.net
; (1 server found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 60724
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 8, ADDITIONAL: 0

;; QUESTION SECTION:
;external.ak.fbcdn.net.		IN	AAAA

;; ANSWER SECTION:
external.ak.fbcdn.net.	4577	IN	CNAME	external.ak.fbcdn.net.edgesuite.net.
external.ak.fbcdn.net.edgesuite.net. 309 IN CNAME a1920.dsw4.akamai.net.
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:590:1:702::4516:8a09
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:590:1:702::4516:8a1a

;; AUTHORITY SECTION:
dsw4.akamai.net.	18858	IN	NS	a0dsw4.akamai.net.
dsw4.akamai.net.	18858	IN	NS	n3dsw4.akamai.net.
dsw4.akamai.net.	18858	IN	NS	n5dsw4.akamai.net.
dsw4.akamai.net.	18858	IN	NS	n4dsw4.akamai.net.
dsw4.akamai.net.	18858	IN	NS	n0dsw4.akamai.net.
dsw4.akamai.net.	18858	IN	NS	n1dsw4.akamai.net.
dsw4.akamai.net.	18858	IN	NS	n2dsw4.akamai.net.
dsw4.akamai.net.	18858	IN	NS	a1dsw4.akamai.net.

;; Query time: 51 msec
;; SERVER: ::1#53(::1)
;; WHEN: Thu May  9 17:20:17 2013
;; MSG SIZE  rcvd: 341