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.akadns.net.
Name:	www.tm.a.prd.aadg.akadns.net
Address: 20.190.157.1
Name:	www.tm.a.prd.aadg.akadns.net
Address: 20.190.157.0
Name:	www.tm.a.prd.aadg.akadns.net
Address: 20.190.157.4
Name:	www.tm.a.prd.aadg.akadns.net
Address: 20.190.157.2
Name:	www.tm.a.prd.aadg.akadns.net
Address: 20.190.157.15
Name:	www.tm.a.prd.aadg.akadns.net
Address: 40.126.29.9
Name:	www.tm.a.prd.aadg.akadns.net
Address: 40.126.29.11
Name:	www.tm.a.prd.aadg.akadns.net
Address: 20.190.157.3
Name:	www.tm.a.prd.aadg.akadns.net
Address: 2603:1036:3000:60::14
Name:	www.tm.a.prd.aadg.akadns.net
Address: 2603:1037:1:60::2
Name:	www.tm.a.prd.aadg.akadns.net
Address: 2603:1036:3000:60::5
Name:	www.tm.a.prd.aadg.akadns.net
Address: 2603:1037:1:60::10
Name:	www.tm.a.prd.aadg.akadns.net
Address: 2603:1036:3000:60::15
Name:	www.tm.a.prd.aadg.akadns.net
Address: 2603:1036:3000:60::20
Name:	www.tm.a.prd.aadg.akadns.net
Address: 2603:1036:3000:60::10
Name:	www.tm.a.prd.aadg.akadns.net
Address: 2603:1036:3000:60::1