Unable to contact satellites through open port

Yes, 78.xx.xx.xxx matches WAN and some.ddns.net:

nslookup some.ddns.net 8.8.8.8
Non-authoritative answer:
Name:    some.ddns.net
Address:  78.xx.xx.xxx

ISP router admin panel (192.168.3.154 is static Mi router):
DHCP on
WAN IP is 78.xx.xx.xxx and netmask is 255.255.192.0

Mi router (192.168.3.154). Raspberry is static at 192.168.31.50:

Name  Protocol     External ports  Internal IP address  Internal port
storj TCP&UDP      38967	       192.168.31.50	    38967

Raspberry ufw rules:

artur@artur-pi:~$ sudo ufw status | grep "8967"
28967                      ALLOW       Anywhere
28967/udp                  ALLOW       Anywhere
38967                      ALLOW       Anywhere
28967 (v6)                 ALLOW       Anywhere (v6)
28967/udp (v6)             ALLOW       Anywhere (v6)
38967 (v6)                 ALLOW       Anywhere (v6)

Still no access to satellites after restarting container. Port is also shown closed on yougetsignal.com