duckdns

I have Proxmox set with static IP 192.168.1.5, and a DMZ to this address on my router. A have 3 VM's setup: 1. TrueNAS (local IP: 192.168.1.6) 2. Debian w/ portainer (local IP: 192.168.1.7) 3. Debian for game servers (local IP: 192.168.1.8). I'm kinda confused on how can I access these VMs over...

I am using Proxmox Virtual Environment 6.3-3, and using a DuckDNS, for example xyz.duckdns.org. I want to get a certificate from Let's Encrypt using the web UI of PVE. I am able to create an account and challenge plugin in Datacenter. However, errors occur when I want to order a new certificate...