Tunnel without domain

Is it possible to create a tunnel without domain name ? I would like to create a tunnel and access with tunnel id only. I do not want to register a domain name in DNS records.

Check out Quick tunnels

https://developers.cloudflare.com/cloudflare-one/connections/connect-apps/run-tunnel/trycloudflare/

This can be used if you don’t have a domain…
Hope It Helps