Update goDaddy record with current IP using API (like dynamic DNS)

dyndnsGoDaddy.sh

#!/bin/bash

# This script is used to check and update your GoDaddy DNS server to the IP address of your current internet connection.
# Special thanks to mfox for his ps script
# https://github.com/markafox/GoDaddy_Powershell_DDNS
# and r0b0t at
# https://www.godaddy.com/community/Managing-Domains/Dynamic-DNS-Updates/td-p/7862/page/2
# 
# First go to GoDaddy developer site to create a developer account and get your key and secret
#
# https://developer.godaddy.com/getstarted
# Be aware that there are 2 types of key and secret - one for the test server and one for the production server
# Get a key and secret for the production server
#
# read https://developer.godaddy.com/doc/endpoint/domains#/v1/recordReplaceTypeName
#
#Update the first 4 variables with your information

domain="example.com"   # your domain
name="myHost"          # name of A record to update
key=""                 # key for godaddy developer API
secret=""              # secret for godaddy developer API


headers="Authorization: sso-key $key:$secret"

result=$(curl -s -X GET -H "$headers"
  "https://api.godaddy.com/v1/domains/$domain/records/A/$name")

dnsIp=$(echo $result| jq -r '.[0].data')
ttl=$(echo $result| jq -r '.[0].ttl')

# Get public ip address there are several websites that can do this.
ret=$(curl -s GET "http://ipinfo.io/json")
currentIp=$(echo $ret | jq -r '.ip')

echo " Public IP:" $currentIp

if [ "$dnsIp" != $currentIp  ] ||  [ "$1" = "-f" ];
then
        echo "Updating Ip to $currentIp"
        request=$(echo "$result" |  jq -r --arg newIP $currentIp '.[0].data = $newIP | .')

        nresult=$(curl -i -s -X PUT \
         -H "$headers" \
         -H "Content-Type: application/json" \
         -d "$request" "https://api.godaddy.com/v1/domains/$domain/records/A/$name")
        #echo $nresult
fi