; <<>> 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: 18610
;; 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.	1280	IN	CNAME	external.ak.fbcdn.net.edgesuite.net.
external.ak.fbcdn.net.edgesuite.net. 360 IN CNAME a1920.dsw4.akamai.net.
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:418:1c01:1::80f1:5ba8
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:418:1c01:1::80f1:5bce

;; AUTHORITY SECTION:
dsw4.akamai.net.	15609	IN	NS	n3dsw4.akamai.net.
dsw4.akamai.net.	15609	IN	NS	n5dsw4.akamai.net.
dsw4.akamai.net.	15609	IN	NS	n2dsw4.akamai.net.
dsw4.akamai.net.	15609	IN	NS	n0dsw4.akamai.net.
dsw4.akamai.net.	15609	IN	NS	a0dsw4.akamai.net.
dsw4.akamai.net.	15609	IN	NS	n4dsw4.akamai.net.
dsw4.akamai.net.	15609	IN	NS	n1dsw4.akamai.net.
dsw4.akamai.net.	15609	IN	NS	n6dsw4.akamai.net.

;; Query time: 160 msec
;; SERVER: ::1#53(::1)
;; WHEN: Thu Apr 11 13:51:35 2013
;; MSG SIZE  rcvd: 341