; <<>> 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: 60685
;; 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.	4649	IN	CNAME	external.ak.fbcdn.net.edgesuite.net.
external.ak.fbcdn.net.edgesuite.net. 120 IN CNAME a1920.dsw4.akamai.net.
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:590:1:601::4516:9729
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:590:1:601::4516:96f2

;; AUTHORITY SECTION:
dsw4.akamai.net.	4365	IN	NS	n2dsw4.akamai.net.
dsw4.akamai.net.	4365	IN	NS	n0dsw4.akamai.net.
dsw4.akamai.net.	4365	IN	NS	n3dsw4.akamai.net.
dsw4.akamai.net.	4365	IN	NS	n5dsw4.akamai.net.
dsw4.akamai.net.	4365	IN	NS	a1dsw4.akamai.net.
dsw4.akamai.net.	4365	IN	NS	a0dsw4.akamai.net.
dsw4.akamai.net.	4365	IN	NS	n4dsw4.akamai.net.
dsw4.akamai.net.	4365	IN	NS	n1dsw4.akamai.net.

;; Query time: 60 msec
;; SERVER: ::1#53(::1)
;; WHEN: Fri Jun 14 17:56:47 2013
;; MSG SIZE  rcvd: 341