NO-IP BASH API Client for Linux

#!/bin/bash

## EDIT FOR CONFIG ##
HOST="yourhost"
USER="youruser"
PASSWORD="yourpasswd"

## DO UPDATE ##
REAL_IP=$(GET https://api.ipify.org/ | grep -E -o "(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)")
QUERY=$(curl -s -k -A "NO-IP Private BASH Client for Linux/v1.1 yourmail@gmail.com" "https://$USER:$PASSWORD@dynupdate.no-ip.com/nic/update?hostname=$HOST&myip=$REAL_IP" )

## PRINT REPLY ##
echo "[NO-IP Reply] $HOST $QUERY"