shell:$ nslookup -timeout=2 -retry=1 'aadcdn.msftauth.net'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
aadcdn.msftauth.net	canonical name = www.tm.aadcdn.msftauth.trafficmanager.net.
www.tm.aadcdn.msftauth.trafficmanager.net	canonical name = aadcdn.msftauth.edgekey.net.
aadcdn.msftauth.edgekey.net	canonical name = e329293.dscd.akamaiedge.net.
Name:	e329293.dscd.akamaiedge.net
Address: 23.62.106.136
Name:	e329293.dscd.akamaiedge.net
Address: 23.62.106.139
Name:	e329293.dscd.akamaiedge.net
Address: 2600:1405:d400:8::173e:6a8b
Name:	e329293.dscd.akamaiedge.net
Address: 2600:1405:d400:8::173e:6a88