; <<>> 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: 23243
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 8, ADDITIONAL: 3

;; 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	2001:418:1401:7c::a5fe:c99
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:418:1401:7c::a5fe:c92

;; AUTHORITY SECTION:
dsw4.akamai.net.	1720	IN	NS	n1dsw4.akamai.net.
dsw4.akamai.net.	1720	IN	NS	n0dsw4.akamai.net.
dsw4.akamai.net.	1720	IN	NS	n2dsw4.akamai.net.
dsw4.akamai.net.	1720	IN	NS	a1dsw4.akamai.net.
dsw4.akamai.net.	1720	IN	NS	n5dsw4.akamai.net.
dsw4.akamai.net.	1720	IN	NS	a0dsw4.akamai.net.
dsw4.akamai.net.	1720	IN	NS	n4dsw4.akamai.net.
dsw4.akamai.net.	1720	IN	NS	n3dsw4.akamai.net.

;; ADDITIONAL SECTION:
n5dsw4.akamai.net.	3719	IN	A	96.17.144.46
n3dsw4.akamai.net.	3726	IN	A	96.17.144.41
a0dsw4.akamai.net.	5490	IN	AAAA	2600:1406:1c:f000:902c:5ae1:6519:3fef

;; Query time: 121 msec
;; SERVER: ::1#53(::1)
;; WHEN: Thu Mar 19 03:31:19 2015
;; MSG SIZE  rcvd: 401