ERROR contact:chore pingSatellites failed

[Alexey]

noip only keeps your DDNS. The port is forwarding by router.
So, I would recommend to start from there.

My Node is OFFLINE for 2 hours

It should connect in seconds. There are a few things you should check. Start with checking the port. On https://www.yougetsignal.com/tools/open-ports/?port=28967 you can fill in the domain or IP you are using in the run command. Then check the port. If it’s closed, it could still be several things. Make sure the WAN IP you see in your router settings matches the IP shown on the above page. Make sure your port forward is set up correctly. That means no filter on incoming IPs, forwarding to th…