shell:$ nslookup -timeout=2 -retry=1 'login.microsoftonline.com'
Server:		75.98.161.224
Address:	75.98.161.224#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: 40.126.28.18
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 40.126.28.14
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 20.190.135.3
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 40.126.7.32
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 40.126.28.22
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 40.126.28.11
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 20.190.135.4
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 20.190.135.7
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::2
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::5
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1036:3000:60::20
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::17
Name:	www.tm.a.prd.aadg.trafficmanager.net
Address: 2603:1036:3000:60::15