I cannot update the ip due to :

DEBUG: nic_dyndns2_update -------------------
INFO: setting IP address to 186.177.169.51 for perringo.com
UPDATE: updating perringo.com
DEBUG: proxy =
DEBUG: url = http://api.dynu.com/nic/update?system=dyndns&hostname=perringo.com&myip=186.177.169.51
DEBUG: server = api.dynu.com
CONNECT: api.dynu.com
WARNING: cannot connect to api.dynu.com:443 socket: Network is unreachable IO::Socket::IP configuration failed
FAILED: updating perringo.com: Could not connect to api.dynu.com.

Im assuming you use ddclient, ill show you my config:

# Configuration file for ddclient generated by debconf
#
# /etc/ddclient.conf

daemon=60
pid=/var/run/ddclient.pid
syslog=yes
mail=[your email]
mail-failure=[your email]
protocol=dyndns2
use=web, web=checkip.dynu.com
server=api.dynu.com
login=[your login]
password='[your password, don't remove the quotes]'
[your Dynu hostname]