; <<>> 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: 37140
;; 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.	53	IN	CNAME	external.ak.fbcdn.net.edgesuite.net.
external.ak.fbcdn.net.edgesuite.net. 257 IN CNAME a1920.dsw4.akamai.net.
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:4de0:4001:2::4091:4b31
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:4de0:4001:2::4091:4b13

;; AUTHORITY SECTION:
dsw4.akamai.net.	14382	IN	NS	n0dsw4.akamai.net.
dsw4.akamai.net.	14382	IN	NS	n2dsw4.akamai.net.
dsw4.akamai.net.	14382	IN	NS	n3dsw4.akamai.net.
dsw4.akamai.net.	14382	IN	NS	n6dsw4.akamai.net.
dsw4.akamai.net.	14382	IN	NS	n5dsw4.akamai.net.
dsw4.akamai.net.	14382	IN	NS	a0dsw4.akamai.net.
dsw4.akamai.net.	14382	IN	NS	n4dsw4.akamai.net.
dsw4.akamai.net.	14382	IN	NS	n1dsw4.akamai.net.

;; Query time: 632 msec
;; SERVER: ::1#53(::1)
;; WHEN: Thu Apr 11 14:12:03 2013
;; MSG SIZE  rcvd: 341