You could use zrok.io. Its an open source alternative to ngrok which you can self host (thus pick you own CNAME etc) as well as supporting TCP/UDP tunneling as

You could use zrok.io. Its an open source alternative to ngrok which you can self host (thus pick you own CNAME etc) as well as supporting TCP/UDP tunneling as of 0.4 release - https://blog.openziti.io/the-road-ahead-for-zrok https://blog.openziti.io/the-road-ahead-for-zrok