shell:$ nslookup -timeout=2 -retry=1 'login.microsoftonline.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
login.microsoftonline.com	canonical name = login.mso.msidentity.com.
login.mso.msidentity.com	canonical name = ak.privatelink.msidentity.com.
ak.privatelink.msidentity.com	canonical name = www.tm.a.prd.aadg.trafficmanager.net.
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 20.190.157.3
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 20.190.157.14
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 20.190.157.2
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 20.190.157.12
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 40.126.29.13
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 40.126.29.7
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 20.190.157.4
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 40.126.29.5
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1036:3000:148::6
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1037:1:148::10
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1036:3000:148::9
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1036:3000:148::1
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1036:3000:148::2
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1036:3000:148::c
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1036:3000:148::7
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1037:1:148::f