; <<>> 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: 60563
;; 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.	2908	IN	CNAME	external.ak.fbcdn.net.edgesuite.net.
external.ak.fbcdn.net.edgesuite.net. 143 IN CNAME a1920.dsw4.akamai.net.
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:590:1:702::4516:9e32
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:590:1:702::4516:9e5b

;; AUTHORITY SECTION:
dsw4.akamai.net.	17149	IN	NS	a1dsw4.akamai.net.
dsw4.akamai.net.	17149	IN	NS	n3dsw4.akamai.net.
dsw4.akamai.net.	17149	IN	NS	n4dsw4.akamai.net.
dsw4.akamai.net.	17149	IN	NS	a0dsw4.akamai.net.
dsw4.akamai.net.	17149	IN	NS	n2dsw4.akamai.net.
dsw4.akamai.net.	17149	IN	NS	n0dsw4.akamai.net.
dsw4.akamai.net.	17149	IN	NS	n1dsw4.akamai.net.
dsw4.akamai.net.	17149	IN	NS	n5dsw4.akamai.net.

;; Query time: 95 msec
;; SERVER: ::1#53(::1)
;; WHEN: Thu May  9 23:48:46 2013
;; MSG SIZE  rcvd: 341