; <<>> 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: 395
;; flags: qr rd ra; QUERY: 1, ANSWER: 8, AUTHORITY: 8, ADDITIONAL: 0

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

;; ANSWER SECTION:
ds.download.windowsupdate.com. 8 IN	CNAME	fg.ds.dl.windowsupdate.com.nsatc.net.
fg.ds.dl.windowsupdate.com.nsatc.net. 548 IN CNAME main-ds.dl.windowsupdate.com.nsatc.net.
main-ds.dl.windowsupdate.com.nsatc.net.	548 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 2001:418:4001:2::cc02:ab51
a767.dscd.akamai.net.0.1.cn.akamaitech.net. 20 IN AAAA 2001:418:4001:2::cc02:ab50
a767.dscd.akamai.net.0.1.cn.akamaitech.net. 20 IN AAAA 2001:418:4001:2::cc02:ab53

;; AUTHORITY SECTION:
cn.akamaitech.net.	689	IN	NS	n5cn.akamaitech.net.
cn.akamaitech.net.	689	IN	NS	a0cn.akamaitech.net.
cn.akamaitech.net.	689	IN	NS	n2cn.akamaitech.net.
cn.akamaitech.net.	689	IN	NS	n4cn.akamaitech.net.
cn.akamaitech.net.	689	IN	NS	a1cn.akamaitech.net.
cn.akamaitech.net.	689	IN	NS	n3cn.akamaitech.net.
cn.akamaitech.net.	689	IN	NS	n1cn.akamaitech.net.
cn.akamaitech.net.	689	IN	NS	n0cn.akamaitech.net.

;; Query time: 132 msec
;; SERVER: ::1#53(::1)
;; WHEN: Tue Mar 10 15:57:21 2015
;; MSG SIZE  rcvd: 493