; <<>> 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: 14753
;; 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.	3462	IN	CNAME	external.ak.fbcdn.net.edgesuite.net.
external.ak.fbcdn.net.edgesuite.net. 275 IN CNAME a1920.dsw4.akamai.net.
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:559:0:301::6011:6d0a
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:559:0:301::6011:6d0b

;; AUTHORITY SECTION:
dsw4.akamai.net.	3053	IN	NS	n6dsw4.akamai.net.
dsw4.akamai.net.	3053	IN	NS	n0dsw4.akamai.net.
dsw4.akamai.net.	3053	IN	NS	n7dsw4.akamai.net.
dsw4.akamai.net.	3053	IN	NS	n5dsw4.akamai.net.
dsw4.akamai.net.	3053	IN	NS	n3dsw4.akamai.net.
dsw4.akamai.net.	3053	IN	NS	n4dsw4.akamai.net.
dsw4.akamai.net.	3053	IN	NS	n1dsw4.akamai.net.
dsw4.akamai.net.	3053	IN	NS	n2dsw4.akamai.net.

;; Query time: 306 msec
;; SERVER: ::1#53(::1)
;; WHEN: Sun Jan 12 05:36:14 2014
;; MSG SIZE  rcvd: 341