; <<>> 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: 1406
;; 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.	5611	IN	CNAME	external.ak.fbcdn.net.edgesuite.net.
external.ak.fbcdn.net.edgesuite.net. 353 IN CNAME a1920.dsw4.akamai.net.
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:4de0:4101:1::4091:5879
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:4de0:4101:1::4091:5860

;; AUTHORITY SECTION:
dsw4.akamai.net.	19838	IN	NS	n4dsw4.akamai.net.
dsw4.akamai.net.	19838	IN	NS	n5dsw4.akamai.net.
dsw4.akamai.net.	19838	IN	NS	n3dsw4.akamai.net.
dsw4.akamai.net.	19838	IN	NS	a0dsw4.akamai.net.
dsw4.akamai.net.	19838	IN	NS	n2dsw4.akamai.net.
dsw4.akamai.net.	19838	IN	NS	n1dsw4.akamai.net.
dsw4.akamai.net.	19838	IN	NS	n0dsw4.akamai.net.
dsw4.akamai.net.	19838	IN	NS	a1dsw4.akamai.net.

;; Query time: 38 msec
;; SERVER: ::1#53(::1)
;; WHEN: Wed Jun  5 21:27:48 2013
;; MSG SIZE  rcvd: 341