shell:$ nslookup -timeout=2 -retry=1 'au.download.windowsupdate.com'
Server:		1.1.1.1
Address:	1.1.1.1#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: 199.232.210.172
Name:	bg.microsoft.map.fastly.net
Address: 199.232.214.172
Name:	bg.microsoft.map.fastly.net
Address: 2a04:4e42:4e::684
Name:	bg.microsoft.map.fastly.net
Address: 2a04:4e42:4f::684