; <<>> DiG 9.4.0 <<>> @::1 +time=30 aaaa au.v4.download.windowsupdate.com
; (1 server found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 53995
;; flags: qr rd ra; QUERY: 1, ANSWER: 7, AUTHORITY: 5, ADDITIONAL: 2

;; QUESTION SECTION:
;au.v4.download.windowsupdate.com. IN	AAAA

;; ANSWER SECTION:
au.v4.download.windowsupdate.com. 612 IN CNAME	bg.v4.dl.windowsupdate.com.nsatc.net.
bg.v4.dl.windowsupdate.com.nsatc.net. 573 IN CNAME w8v4.audownload.windowsupdate.nsatc.net.
w8v4.audownload.windowsupdate.nsatc.net. 600 IN	CNAME auto.au.download.windowsupdate.com.c.footprint.net.
auto.au.download.windowsupdate.com.c.footprint.net. 300	IN CNAME opau.download.windowsupdate.com.c.footprint.net.
opau.download.windowsupdate.com.c.footprint.net. 230 IN	AAAA 2001:1900:2304:8f00::ff
opau.download.windowsupdate.com.c.footprint.net. 230 IN	AAAA 2001:1900:2306:4f08::ff
opau.download.windowsupdate.com.c.footprint.net. 230 IN	AAAA 2001:1900:2318:2f02::ff

;; AUTHORITY SECTION:
c.footprint.net.	45220	IN	NS	b.ns.c.footprint.net.
c.footprint.net.	45220	IN	NS	us-ca-3.ns.c.footprint.net.
c.footprint.net.	45220	IN	NS	a.ns.c.footprint.net.
c.footprint.net.	45220	IN	NS	e.ns.c.footprint.net.
c.footprint.net.	45220	IN	NS	us-co-1.ns.c.footprint.net.

;; ADDITIONAL SECTION:
us-ca-3.ns.c.footprint.net. 131620 IN	A	8.27.255.153
us-co-1.ns.c.footprint.net. 131620 IN	A	8.27.225.25

;; Query time: 96 msec
;; SERVER: ::1#53(::1)
;; WHEN: Fri Jul 17 02:17:48 2015
;; MSG SIZE  rcvd: 435