nmap -sU -p 3478 -Pn example.org                            #UDP-Scan | Port 3478 | ohne host discovery
nmap -sT -sU -p U:3478,T:7443,T:1935 -Pn example.org        #UDP+TCP Scan | UDP3478/TCP7443/TCP1935 | ohne host discovery

https://www.stationx.net/nmap-cheat-sheet/