Linux bash script for updating dns on godaddy dynamically. You need a developer account to access the godaddy api to get your secret and token.

godaddy_ddns.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
#
# 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
# 
#Update the first 4 variables with your information
 
domain=""   # your domain
name=""     # name of A record to update
key=""      # key for godaddy developer API
secret=""   # secret for godaddy developer API

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

# echo $headers

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")
# echo "dnsIp:" $dnsIp

# Get public ip address there are several websites that can do this.
ret=$(curl -s GET "http://ipinfo.io/json")
currentIp=$(echo $ret | grep -oE "\b([0-9]{1,3}\.){3}[0-9]{1,3}\b")
# echo "currentIp:" $currentIp

 if [ $dnsIp != $currentIp ];
 then
#	echo "Ips are not equal"
	request='{"data":"'$currentIp'","ttl":3600}'
#	echo $request
	nresult=$(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

Updated name server to cloudflare.

#!/usr/bin/perl
##
#   File : cloudflare.pl
#   Purpose : Update cloudflare
##
use strict;
use LWP::Simple;
use POSIX qw(strftime);
## 20240504 - Updated my nameserver to cloudflare
##     blahblah@blah.com's Account
##     Godaddy - nameserver updated to
##     randoname.ns.cloudflare.com randoname2.ns.cloudflare.com
## curl -X GET "https://api.cloudflare.com/client/v4/user/tokens/verify" -H "Authorization: Bearer HXxC_M9VZpqyUUBG4V3K0mbx6shU4PGEzhg4Pggw" -H "Content-Type:application/json"
## {"result":{"id":"3eada03345bd930d33bda2444814fd75","status":"active"},"success":true,"errors":[],"messages":[{"code":10000,"message":"This API Token is valid and active","type":null}]}
## blah@lappie : /home/blah/mysite_certificates #
# Main
{
    my $set_ip = `nslookup mysite.org`;
    print $set_ip;
    $set_ip =~ m/Address *: *([\d\.]+)/im;
    $set_ip = $1;
    my $current_ip = `curl -s GET "http://icanhazip.com"`;
    print $current_ip;
    my $vals1 = $set_ip;
    $vals1 =~ s/\W//img;
    my $vals2 = $current_ip;
    $vals2 =~ s/\W//img;
    if ($vals1 ne $vals2)
    {
        print ("IPs are different ($set_ip is not $current_ip)\n");
        my $str = "curl --request PUT --url https://api.cloudflare.com/client/v4/zones/58553d8109b596a0de35d6bdbead1f24/dns_records/d89b1dfafbb9e0ea356c1f6491e9a142 -H 'Content-Type: application/json' -H 'X-Auth-Email: blahblah\@blah.com' -H 'Authorization: Bearer HXxC_G4V3K9MVZpqm0bxy6UUsBhUP4GEzhg4Pggw' --data '{\"content\": \"NEW_IP\", \"name\": \"mysite.org\", \"proxied\": false, \"type\": \"A\", \"comment\": \"Domain verification record\", \"ttl\": 3600 }'";

        chomp $current_ip;
        $str =~ s/NEW_IP/$current_ip/;
        open OUTPUT, "> /home/blah/mysite_certificates/fixed_set.sh";
        print OUTPUT $str;
        close OUTPUT;
        `chmod 750 /home/blah/mysite_certificates/fixed_set.sh`;
        `/home/blah/mysite_certificates/fixed_set.sh`;
    }
    else
    {
        print ("IPs are the same\n");
    }
}