; <<>> 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: 24010
;; 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.	1442	IN	CNAME	external.ak.fbcdn.net.edgesuite.net.
external.ak.fbcdn.net.edgesuite.net. 159 IN CNAME a1920.dsw4.akamai.net.
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:590:1:704::c690:6463
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:590:1:704::c690:6448

;; AUTHORITY SECTION:
dsw4.akamai.net.	15771	IN	NS	n1dsw4.akamai.net.
dsw4.akamai.net.	15771	IN	NS	n0dsw4.akamai.net.
dsw4.akamai.net.	15771	IN	NS	n2dsw4.akamai.net.
dsw4.akamai.net.	15771	IN	NS	a0dsw4.akamai.net.
dsw4.akamai.net.	15771	IN	NS	n6dsw4.akamai.net.
dsw4.akamai.net.	15771	IN	NS	n3dsw4.akamai.net.
dsw4.akamai.net.	15771	IN	NS	n4dsw4.akamai.net.
dsw4.akamai.net.	15771	IN	NS	n5dsw4.akamai.net.

;; Query time: 78 msec
;; SERVER: ::1#53(::1)
;; WHEN: Thu Apr 11 13:48:53 2013
;; MSG SIZE  rcvd: 341