; <<>> DiG 9.4.0 <<>> @61.135.159.46 +time=30 aaaa external.ak.fbcdn.net
; (1 server found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 39400
;; 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.	7200	IN	CNAME	external.ak.fbcdn.net.edgesuite.net.
external.ak.fbcdn.net.edgesuite.net. 360 IN CNAME a1920.dsw4.akamai.net.
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:428:4c02::cda8:ed1a
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:428:4c02::cda8:ed21

;; AUTHORITY SECTION:
dsw4.akamai.net.	12590	IN	NS	a1dsw4.akamai.net.
dsw4.akamai.net.	12590	IN	NS	n0dsw4.akamai.net.
dsw4.akamai.net.	12590	IN	NS	n1dsw4.akamai.net.
dsw4.akamai.net.	12590	IN	NS	n2dsw4.akamai.net.
dsw4.akamai.net.	12590	IN	NS	n3dsw4.akamai.net.
dsw4.akamai.net.	12590	IN	NS	n4dsw4.akamai.net.
dsw4.akamai.net.	12590	IN	NS	n5dsw4.akamai.net.
dsw4.akamai.net.	12590	IN	NS	a0dsw4.akamai.net.

;; Query time: 4908 msec
;; SERVER: 61.135.159.46#53(61.135.159.46)
;; WHEN: Fri Nov 30 02:31:24 2012
;; MSG SIZE  rcvd: 341