; <<>> DiG 9.4.0 <<>> @61.139.39.73 +time=30 aaaa external.ak.fbcdn.net
; (1 server found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 53193
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 13, ADDITIONAL: 0

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

;; ANSWER SECTION:
external.ak.fbcdn.net.	891	IN	CNAME	external.ak.fbcdn.net.edgesuite.net.
external.ak.fbcdn.net.edgesuite.net. 181 IN CNAME a1920.dsw4.akamai.net.
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:218:2000:f::7c28:2a39
a1920.dsw4.akamai.net.	20	IN	AAAA	2001:218:2000:f::7c28:2a06

;; AUTHORITY SECTION:
akamai.net.		75199	IN	NS	ns2-193.akamaitech.net.
akamai.net.		75199	IN	NS	zi.akamaitech.net.
akamai.net.		75199	IN	NS	ns6-193.akamaitech.net.
akamai.net.		75199	IN	NS	ns7-193.akamaitech.net.
akamai.net.		75199	IN	NS	ns1-1.akamaitech.net.
akamai.net.		75199	IN	NS	zc.akamaitech.net.
akamai.net.		75199	IN	NS	ns5-193.akamaitech.net.
akamai.net.		75199	IN	NS	zd.akamaitech.net.
akamai.net.		75199	IN	NS	ns4-193.akamaitech.net.
akamai.net.		75199	IN	NS	zg.akamaitech.net.
akamai.net.		75199	IN	NS	ns3-193.akamaitech.net.
akamai.net.		75199	IN	NS	ze.akamaitech.net.
akamai.net.		75199	IN	NS	zh.akamaitech.net.

;; Query time: 341 msec
;; SERVER: 61.139.39.73#53(61.139.39.73)
;; WHEN: Fri Nov 30 02:31:25 2012
;; MSG SIZE  rcvd: 438