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: 20.190.135.2
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: 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: 40.126.28.18
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 40.126.28.19
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 40.126.28.11
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1036:3000:60::14
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::21
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1036:3000:60::1
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1037:1:60::
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::e
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1036:3000:60::20