shell:$ nslookup -timeout=2 -retry=1 'login.live.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
login.live.com	canonical name = login.msa.msidentity.com.
login.msa.msidentity.com	canonical name = www.tm.lg.prod.aadmsa.trafficmanager.net.
www.tm.lg.prod.aadmsa.trafficmanager.net	canonical name = prdv4a.aadg.msidentity.com.
prdv4a.aadg.msidentity.com	canonical name = www.tm.v4.a.prd.aadg.akadns.net.
Name:	www.tm.v4.a.prd.aadg.akadns.net
Address: 40.126.29.14
Name:	www.tm.v4.a.prd.aadg.akadns.net
Address: 20.190.157.11
Name:	www.tm.v4.a.prd.aadg.akadns.net
Address: 20.190.157.0
Name:	www.tm.v4.a.prd.aadg.akadns.net
Address: 20.190.157.2
Name:	www.tm.v4.a.prd.aadg.akadns.net
Address: 20.190.157.13
Name:	www.tm.v4.a.prd.aadg.akadns.net
Address: 20.190.157.12
Name:	www.tm.v4.a.prd.aadg.akadns.net
Address: 40.126.29.7
Name:	www.tm.v4.a.prd.aadg.akadns.net
Address: 40.126.29.10