shell:$ nslookup -timeout=2 -retry=1 'www.download.windowsupdate.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
www.download.windowsupdate.com	canonical name = www.download.windowsupdate.com.delivery.microsoft.com.
www.download.windowsupdate.com.delivery.microsoft.com	canonical name = wu-f-net.trafficmanager.net.
wu-f-net.trafficmanager.net	canonical name = download.windowsupdate.com.edgesuite.net.
download.windowsupdate.com.edgesuite.net	canonical name = a767.dspw65.akamai.net.
Name:	a767.dspw65.akamai.net
Address: 23.199.54.52
Name:	a767.dspw65.akamai.net
Address: 23.199.54.53
Name:	a767.dspw65.akamai.net
Address: 2600:1407:e800:1900::173b:b14c
Name:	a767.dspw65.akamai.net
Address: 2600:1407:e800:1901::b819:3b0d