; <<>> 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: 11314
;; 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.	103	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	2600:5:3700:2::c703:7349
a1920.dsw4.akamai.net.	20	IN	AAAA	2600:5:3700:2::c703:7343

;; AUTHORITY SECTION:
dsw4.akamai.net.	7181	IN	NS	a0dsw4.akamai.net.
dsw4.akamai.net.	7181	IN	NS	n2dsw4.akamai.net.
dsw4.akamai.net.	7181	IN	NS	n0dsw4.akamai.net.
dsw4.akamai.net.	7181	IN	NS	n5dsw4.akamai.net.
dsw4.akamai.net.	7181	IN	NS	n3dsw4.akamai.net.
dsw4.akamai.net.	7181	IN	NS	n1dsw4.akamai.net.
dsw4.akamai.net.	7181	IN	NS	n4dsw4.akamai.net.
dsw4.akamai.net.	7181	IN	NS	a1dsw4.akamai.net.

;; Query time: 311 msec
;; SERVER: ::1#53(::1)
;; WHEN: Thu May  9 20:34:54 2013
;; MSG SIZE  rcvd: 341