Apparently feste-ip don't want any business...
Maybe better off just calling my ISP and make them change me to IPv4. Only problem is they seem to have as bad service as here
Hello, I am UPC customer in Vienna, Austria. So blessed with a IPv6 IPv4 dualstack connection. I got a Synology NAS and a PC I would like to be able to access remotely. Following this thorough guide : https://www.alexander-fuchs.net/synology-diskstation-vpn-dualstack-ipv6/ I managed to reach step 5....