Hope someone can help, I have searched the forum and found nothing that has helped.
Background
I have been running duckdns for over a year now with no issues. I have recently changed hardware and the IP address has changed. I can now no longer access HA from the duckdns address in my local network. I get the HA logo and " Unable to connect to Home Assistant.
Retrying in -246 seconds…" so it is seeing the server but something is not allowing the duckdns address. It works as normal from outside my local network on the mobiles. If I copy my external IP address from duckdns and use that instead of myname.duckdns.org it logs on to HA fine.
What am I missing? tried clearing cache and stuff first as I know that is always the first move.
Though I may need to add some points which may help I run DHCP and ad blocking on pihole and HA is installed on Proxmox.