; <<>> 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: 19868
;; flags: qr rd ra; QUERY: 1, ANSWER: 7, AUTHORITY: 5, ADDITIONAL: 5

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

;; ANSWER SECTION:
au.v4.download.windowsupdate.com. 3064 IN CNAME	bg.v4.dl.windowsupdate.com.nsatc.net.
bg.v4.dl.windowsupdate.com.nsatc.net. 900 IN CNAME w8v4.audownload.windowsupdate.nsatc.net.
w8v4.audownload.windowsupdate.nsatc.net. 64 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 2001:1900:2306:f05::ff
opau.download.windowsupdate.com.c.footprint.net. 230 IN	AAAA 2001:1900:2318:f01::ff
opau.download.windowsupdate.com.c.footprint.net. 230 IN	AAAA 2001:1900:2300:4f00::ff

;; AUTHORITY SECTION:
c.footprint.net.	23551	IN	NS	a.ns.c.footprint.net.
c.footprint.net.	23551	IN	NS	us-ca-3.ns.c.footprint.net.
c.footprint.net.	23551	IN	NS	us-co-1.ns.c.footprint.net.
c.footprint.net.	23551	IN	NS	b.ns.c.footprint.net.
c.footprint.net.	23551	IN	NS	e.ns.c.footprint.net.

;; ADDITIONAL SECTION:
b.ns.c.footprint.net.	109551	IN	A	8.254.245.27
us-ca-3.ns.c.footprint.net. 109951 IN	A	8.27.255.153
us-co-1.ns.c.footprint.net. 109951 IN	A	8.27.225.25
a.ns.c.footprint.net.	109551	IN	A	8.26.215.25
e.ns.c.footprint.net.	109552	IN	A	209.84.15.25

;; Query time: 1315 msec
;; SERVER: ::1#53(::1)
;; WHEN: Tue Jul 28 11:52:08 2015
;; MSG SIZE  rcvd: 483