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

Non-authoritative answer:
windowsupdate.microsoft.com	canonical name = redir.update.msft.com.trafficmanager.net.
Name:	redir.update.msft.com.trafficmanager.net
Address: 132.196.74.18