; <<>> 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: 39344
;; 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.	6335	IN	CNAME	external.ak.fbcdn.net.edgesuite.net.
external.ak.fbcdn.net.edgesuite.net. 42	IN CNAME a1920.dsw4.akamai.net.
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:590:1:704::4627:a35a
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:590:1:704::4627:a331

;; AUTHORITY SECTION:
dsw4.akamai.net.	5981	IN	NS	n7dsw4.akamai.net.
dsw4.akamai.net.	5981	IN	NS	n5dsw4.akamai.net.
dsw4.akamai.net.	5981	IN	NS	n1dsw4.akamai.net.
dsw4.akamai.net.	5981	IN	NS	n4dsw4.akamai.net.
dsw4.akamai.net.	5981	IN	NS	n6dsw4.akamai.net.
dsw4.akamai.net.	5981	IN	NS	n0dsw4.akamai.net.
dsw4.akamai.net.	5981	IN	NS	n3dsw4.akamai.net.
dsw4.akamai.net.	5981	IN	NS	n2dsw4.akamai.net.

;; Query time: 37 msec
;; SERVER: ::1#53(::1)
;; WHEN: Thu Jun 19 12:15:50 2014
;; MSG SIZE  rcvd: 341