; <<>> 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: 955
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 8, ADDITIONAL: 1

;; QUESTION SECTION:
;external.ak.fbcdn.net.		IN	AAAA

;; ANSWER SECTION:
external.ak.fbcdn.net.	1770	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	2610:18:e00:18::d89c:e160
a1920.dsw4.akamai.net.	20	IN	AAAA	2610:18:e00:18::d89c:e151

;; AUTHORITY SECTION:
dsw4.akamai.net.	3755	IN	NS	n3dsw4.akamai.net.
dsw4.akamai.net.	3755	IN	NS	n4dsw4.akamai.net.
dsw4.akamai.net.	3755	IN	NS	a0dsw4.akamai.net.
dsw4.akamai.net.	3755	IN	NS	n2dsw4.akamai.net.
dsw4.akamai.net.	3755	IN	NS	n0dsw4.akamai.net.
dsw4.akamai.net.	3755	IN	NS	n5dsw4.akamai.net.
dsw4.akamai.net.	3755	IN	NS	n1dsw4.akamai.net.
dsw4.akamai.net.	3755	IN	NS	a1dsw4.akamai.net.

;; ADDITIONAL SECTION:
a1dsw4.akamai.net.	1856	IN	AAAA	2600:1406:1c:f000:902a:5ae1:6519:3fef

;; Query time: 87 msec
;; SERVER: ::1#53(::1)
;; WHEN: Sun Mar 22 00:01:27 2015
;; MSG SIZE  rcvd: 369