I host a Minecraft server but unfortunately not all of my friends can join because they are not all at Deutsche Glasfaser and therefore can't reach my server, the IP of my server is the WAN so my friends can only use a VPN (Hamachi) on the server, I would be very happy if someone would know if it could be done so that I can use the IP of wieistmeineip.de as the server address, so that my friends can join without using Hamchi because there's a network limited to 5 people.
You can also take RAdmin VPN.
Otherwise you would have to release the port on your router
The ports have already been released, but only people can reach the server. The others have a timeout until then
