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

Non-authoritative answer:
login.microsoft.com	canonical name = a.privatelink.msidentity.com.
a.privatelink.msidentity.com	canonical name = prda.aadg.msidentity.com.
prda.aadg.msidentity.com	canonical name = www.tm.a.prd.aadg.trafficmanager.net.
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 40.126.7.32
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 40.126.7.35
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 20.190.135.16
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 20.190.135.5
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 40.126.28.23
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 40.126.28.20
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 20.190.135.7
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 40.126.28.22
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1036:3000:60::17
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1036:3000:60::4
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1036:3000:60::12
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1036:3000:60::10
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1036:3000:60::11
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1036:3000:60::1
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1036:3000:60::21
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1037:1:60::