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 = b-tr-teamsc-usea-01.eastus.cloudapp.azure.com.
Name:	b-tr-teamsc-usea-01.eastus.cloudapp.azure.com
Address: 52.115.221.184
Name:	b-tr-teamsc-usea-01.eastus.cloudapp.azure.com
Address: 2603:1063:108:100::5