A script to check and update GoDaddy DNS

ddns.sh

#!/bin/bash
# Taken from https://github.com/markafox/GoDaddy_Powershell_DDNS

domain="rajkumaar.co.in"  # your domain
name="pi"                 # 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 | grep -oE "\b([0-9]{1,3}\.){3}[0-9]{1,3}\b")

ret=$(curl -s GET "http://ipinfo.io/json")
currentIp=$(echo $ret | grep -oE "\b([0-9]{1,3}\.){3}[0-9]{1,3}\b")

if [ "$dnsIp" != "$currentIp" ];
 then
	request='[{"data":"'$currentIp'","ttl":3600}]'
	nresult=$(curl -i -s -X PUT \
 -H "$headers" \
 -H "Content-Type: application/json" \
 -d $request "https://api.godaddy.com/v1/domains/$domain/records/A/$name")
fi