shell:$ nslookup -timeout=2 -retry=1 'turn.teams.microsoft.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
turn.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-04.eastus.cloudapp.azure.com.
Name:	b-tr-teamsc-usea-04.eastus.cloudapp.azure.com
Address: 52.115.223.105
Name:	b-tr-teamsc-usea-04.eastus.cloudapp.azure.com
Address: 2603:1063:108:100::7