shell:$ nslookup -timeout=2 -retry=1 'tr.teams.microsoft.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
tr.teams.microsoft.com	canonical name = worldaz.tr.teams.microsoft.com.
worldaz.tr.teams.microsoft.com	canonical name = worldaz.relay.teams.microsoft.com.
worldaz.relay.teams.microsoft.com	canonical name = worldaz.relay.teams.trafficmanager.net.
worldaz.relay.teams.trafficmanager.net	canonical name = a-tr-teamsc-usea2-03.eastus2.cloudapp.azure.com.
Name:	a-tr-teamsc-usea2-03.eastus2.cloudapp.azure.com
Address: 52.115.167.141
Name:	a-tr-teamsc-usea2-03.eastus2.cloudapp.azure.com
Address: 2603:1063:109:100::92