; <<>> 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: 38200
;; 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.	6860	IN	CNAME	external.ak.fbcdn.net.edgesuite.net.
external.ak.fbcdn.net.edgesuite.net. 101 IN CNAME a1920.dsw4.akamai.net.
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:590:1:602::3f8d:c03a
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:590:1:602::3f8d:c021

;; AUTHORITY SECTION:
dsw4.akamai.net.	6576	IN	NS	n1dsw4.akamai.net.
dsw4.akamai.net.	6576	IN	NS	n3dsw4.akamai.net.
dsw4.akamai.net.	6576	IN	NS	a0dsw4.akamai.net.
dsw4.akamai.net.	6576	IN	NS	n0dsw4.akamai.net.
dsw4.akamai.net.	6576	IN	NS	a1dsw4.akamai.net.
dsw4.akamai.net.	6576	IN	NS	n4dsw4.akamai.net.
dsw4.akamai.net.	6576	IN	NS	n5dsw4.akamai.net.
dsw4.akamai.net.	6576	IN	NS	n2dsw4.akamai.net.

;; Query time: 57 msec
;; SERVER: ::1#53(::1)
;; WHEN: Fri Jun 14 17:19:56 2013
;; MSG SIZE  rcvd: 341