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Cloudflare as a Dynamic DNS🌩

andp97 profile image Andrea Pavone ・1 min read

If you need to have a DNS record that point to a Dynamic IP (DDNS), for example, you home IP address, this tool allow you to accomplish this job!

For do this this we need cloudflare-dynamic-ip tool allow you to simply have a specific DNS record such as home.example.com that point to your dynamic IP.

Requirements

  • Domain Name
  • Cloudflare Account
  • Raspberry Pi4 or any other Linux Based OS
  • composer
  • php-7.3

Installation

Clone the Github repo, install dependencies, set API Token and set a cron job every 15min that run this script and you’re done!🚀

git clone https://github.com/andp97/cloudflare-dynamic-ip.git
cd cloudflare-dynamic-ip
INSTALL_PATH=$(pwd)
composer install --no-dev
nano .env
echo -e "*/15 * * * * $INSTALL_PATH/cf-ip 2>&1 > /dev/null\n"
crontab -e
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You can also execute this script via bash

#Get dns record name from env and target ip from remote host (https://ip.andreapavone.com) 

./cf-ip

#Passing parameters to the script

./cf-ip <dns_record_name> <target_ip>

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On .env file you can set:

Update

git pull
composer update
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