; <<>> DiG 9.4.0 <<>> @76.164.128.4 +time=30 aaaa external.ak.fbcdn.net
; (1 server found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 55377
;; 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.	4105	IN	CNAME	external.ak.fbcdn.net.edgesuite.net.
external.ak.fbcdn.net.edgesuite.net. 354 IN CNAME a1920.dsw4.akamai.net.
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:559:0:60::173e:6118
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:559:0:60::173e:6128

;; AUTHORITY SECTION:
dsw4.akamai.net.	14287	IN	NS	a0dsw4.akamai.net.
dsw4.akamai.net.	14287	IN	NS	a1dsw4.akamai.net.
dsw4.akamai.net.	14287	IN	NS	n0dsw4.akamai.net.
dsw4.akamai.net.	14287	IN	NS	n1dsw4.akamai.net.
dsw4.akamai.net.	14287	IN	NS	n2dsw4.akamai.net.
dsw4.akamai.net.	14287	IN	NS	n3dsw4.akamai.net.
dsw4.akamai.net.	14287	IN	NS	n4dsw4.akamai.net.
dsw4.akamai.net.	14287	IN	NS	n5dsw4.akamai.net.

;; Query time: 94 msec
;; SERVER: 76.164.128.4#53(76.164.128.4)
;; WHEN: Mon Apr  1 18:01:43 2013
;; MSG SIZE  rcvd: 341