; <<>> 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: 45266
;; 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. 3340 IN	CNAME	fg.ds.dl.windowsupdate.com.nsatc.net.
fg.ds.dl.windowsupdate.com.nsatc.net. 900 IN CNAME main-ds.dl.windowsupdate.com.nsatc.net.
main-ds.dl.windowsupdate.com.nsatc.net.	900 IN CNAME ds.download.windowsupdate.com.edgesuite.net.
ds.download.windowsupdate.com.edgesuite.net. 40	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:ab4a
a767.dscd.akamai.net.0.1.cn.akamaitech.net. 20 IN AAAA 2001:418:4001:2::cc02:ab60
a767.dscd.akamai.net.0.1.cn.akamaitech.net. 20 IN AAAA 2001:418:4001:2::cc02:ab59

;; AUTHORITY SECTION:
cn.akamaitech.net.	109	IN	NS	n4cn.akamaitech.net.
cn.akamaitech.net.	109	IN	NS	n0cn.akamaitech.net.
cn.akamaitech.net.	109	IN	NS	n1cn.akamaitech.net.
cn.akamaitech.net.	109	IN	NS	n3cn.akamaitech.net.
cn.akamaitech.net.	109	IN	NS	n2cn.akamaitech.net.
cn.akamaitech.net.	109	IN	NS	n5cn.akamaitech.net.
cn.akamaitech.net.	109	IN	NS	a0cn.akamaitech.net.
cn.akamaitech.net.	109	IN	NS	a1cn.akamaitech.net.

;; Query time: 2077 msec
;; SERVER: ::1#53(::1)
;; WHEN: Tue Mar 10 16:07:02 2015
;; MSG SIZE  rcvd: 493