Duckdns not working after new installation - NOT RESOLVED

Hey i did a fresh install and followed duckdns instructions

I am getting OK at log,

but I cannot get it to work…

I did a fresh install after had same issues, anyone can assist to understand why it is not working?

pi@raspberrypi:~/duckdns $ ./duck.sh
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 2 0 2 0 0 1 0 --:–:-- 0:00:01 --:–:-- 1
pi@raspberrypi:~/duckdns $ cat duck.log
OKpi@raspberrypi:~/duckdns $ sudo service cron start