shell:$ nslookup -timeout=2 -retry=1 'au.download.windowsupdate.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
au.download.windowsupdate.com	canonical name = au.download.windowsupdate.com.delivery.microsoft.com.
au.download.windowsupdate.com.delivery.microsoft.com	canonical name = wu-b-net.trafficmanager.net.
wu-b-net.trafficmanager.net	canonical name = bg.microsoft.map.fastly.net.
Name:	bg.microsoft.map.fastly.net
Address: 146.75.10.172
Name:	bg.microsoft.map.fastly.net
Address: 2a04:4e42:72::684