noip.com ddns start custom script

ddns-start.sh

#!/bin/sh

# https://github.com/RMerl/asuswrt-merlin/wiki/Custom-DDNS
# https://github.com/RMerl/asuswrt-merlin/wiki/DDNS-Sample-Scripts
# https://www.noip.com/integrate/request	

USERNAME="alexey-bass"
PASSWORD="**********"
HOSTNAME="*****.ddns.net"
IP="$(curl -fs4 https://myip.dnsomatic.com/)"
USER_AGENT="ASUS WRT Merlin"

curl -fs -A "${USER_AGENT}" -o /dev/null "http://${USERNAME}:${PASSWORD}@dynupdate.no-ip.com/nic/update?hostname=${HOSTNAME}&myip=${IP}"

if [ $? -eq 0 ]; then
    /sbin/ddns_custom_updated 1
else
    /sbin/ddns_custom_updated 0
fi