; <<>> DiG 9.4.0 <<>> @::1 +time=30 aaaa ds.download.windowsupdate.com
; (1 server found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 343
;; flags: qr rd ra; QUERY: 1, ANSWER: 7, AUTHORITY: 8, ADDITIONAL: 0

;; QUESTION SECTION:
;ds.download.windowsupdate.com.	IN	AAAA

;; ANSWER SECTION:
ds.download.windowsupdate.com. 2441 IN	CNAME	fg.ds.dl.windowsupdate.com.nsatc.net.
fg.ds.dl.windowsupdate.com.nsatc.net. 251 IN CNAME main-ds.dl.windowsupdate.com.nsatc.net.
main-ds.dl.windowsupdate.com.nsatc.net.	251 IN CNAME ds.download.windowsupdate.com.edgesuite.net.
ds.download.windowsupdate.com.edgesuite.net. 300 IN CNAME a767.dscd.akamai.net.
a767.dscd.akamai.net.	20	IN	CNAME	a767.dscd.akamai.net.0.1.cn.akamaitech.net.
a767.dscd.akamai.net.0.1.cn.akamaitech.net. 20 IN AAAA 2001:428:7402:101::48a4:fc68
a767.dscd.akamai.net.0.1.cn.akamaitech.net. 20 IN AAAA 2001:428:7402:101::48a4:fc62

;; AUTHORITY SECTION:
cn.akamaitech.net.	3963	IN	NS	n0cn.akamaitech.net.
cn.akamaitech.net.	3963	IN	NS	n5cn.akamaitech.net.
cn.akamaitech.net.	3963	IN	NS	a0cn.akamaitech.net.
cn.akamaitech.net.	3963	IN	NS	n3cn.akamaitech.net.
cn.akamaitech.net.	3963	IN	NS	n2cn.akamaitech.net.
cn.akamaitech.net.	3963	IN	NS	n4cn.akamaitech.net.
cn.akamaitech.net.	3963	IN	NS	a1cn.akamaitech.net.
cn.akamaitech.net.	3963	IN	NS	n1cn.akamaitech.net.

;; Query time: 268 msec
;; SERVER: ::1#53(::1)
;; WHEN: Sun Mar 22 00:02:49 2015
;; MSG SIZE  rcvd: 465