; <<>> DiG 9.4.0 <<>> @202.141.148.23 +time=30 aaaa external.ak.fbcdn.net
; (1 server found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 14479
;; 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.	7041	IN	CNAME	external.ak.fbcdn.net.edgesuite.net.
external.ak.fbcdn.net.edgesuite.net. 202 IN CNAME a1920.dsw4.akamai.net.
a1920.dsw4.akamai.net.	20	IN	AAAA	2405:8a00:14:1::b495:3b98
a1920.dsw4.akamai.net.	20	IN	AAAA	2405:8a00:14:1::b495:3b93

;; AUTHORITY SECTION:
dsw4.akamai.net.	10456	IN	NS	n3dsw4.akamai.net.
dsw4.akamai.net.	10456	IN	NS	n4dsw4.akamai.net.
dsw4.akamai.net.	10456	IN	NS	n5dsw4.akamai.net.
dsw4.akamai.net.	10456	IN	NS	a0dsw4.akamai.net.
dsw4.akamai.net.	10456	IN	NS	a1dsw4.akamai.net.
dsw4.akamai.net.	10456	IN	NS	n0dsw4.akamai.net.
dsw4.akamai.net.	10456	IN	NS	n1dsw4.akamai.net.
dsw4.akamai.net.	10456	IN	NS	n2dsw4.akamai.net.

;; Query time: 392 msec
;; SERVER: 202.141.148.23#53(202.141.148.23)
;; WHEN: Fri Nov 30 02:53:55 2012
;; MSG SIZE  rcvd: 341