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: 20.190.135.6
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 20.190.135.2
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 20.190.135.18
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 40.126.28.13
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 40.126.28.19
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 20.190.135.16
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 40.126.28.21
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 40.126.28.20
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1037:1:60::2
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1036:3000:60::3
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1037:1:60::10
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1036:3000:60::16
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1036:3000:60::6
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1036:3000:60::1f
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::17