; <<>> DiG 9.4.0 <<>> @139.134.5.51 +time=30 aaaa external.ak.fbcdn.net
; (1 server found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 51423
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 0

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

;; ANSWER SECTION:
external.ak.fbcdn.net.	3883	IN	CNAME	external.ak.fbcdn.net.edgesuite.net.
external.ak.fbcdn.net.edgesuite.net. 197 IN CNAME a1920.dsw4.akamai.net.
a1920.dsw4.akamai.net.	20	IN	AAAA	2600:140b:4::1720:f148
a1920.dsw4.akamai.net.	20	IN	AAAA	2600:140b:4::1720:f161

;; Query time: 171 msec
;; SERVER: 139.134.5.51#53(139.134.5.51)
;; WHEN: Sat Dec  1 06:08:58 2012
;; MSG SIZE  rcvd: 173