Dynamic IPv4/6 records for Cloudflare
Easily update Cloudflare records for your dynamic IP or homelab, now supporting IPv6 (A and AAAA), with the ubiquity of Bash
Dynamic IPv4/6 records for Cloudflare launched on October 21, 2024 with 13 votes, #1,025 of 5,185 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 2 years on.
In plain words
This tool automatically updates Cloudflare DNS records when a user's IP address changes, supporting both IPv4 and IPv6 (A and AAAA records). It's designed for people running home servers or services with dynamic IP addresses who need their domain to stay accessible. The tool uses Bash, making it widely compatible and easy to deploy on most systems.
written from the facts on this page · September 2026
From the sources
The lightweight IPv4/IPv6 dynamic DNS updater for Cloudflare. - ddries/d2c.sh
Does a similar job
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Update dynamic IP in Cloudflare with bash2024 · github.com · ▲6Hi hackers, I made a simple bash tool to update 'A' records in Cloudflare for users with dynamic IPs. I wanted to have a tool to keep a couple of DNS updated with my homelab dynamic IP so I wrote this very simple bash script. There are tools that already solve this dynamic IP issue, but I find the simplicity of a bash script way more convenient than any tool that needs installation, complex configuration, a Python runtime or whatnot. This will basically run in any system with bash. It is very simple and only updates A records, but it does its job and it solves my needs. It could be improved…
Simple Dynamic DNS Using the Cloudflare API2015 · github.com · ▲19Simple, free dynamic DNS via Cloudflare. Contribute to lyoshenka/cloudflare-ddns development by creating an account on GitHub.
1.1.1.1 by Cloudflare2018 · one.one.one.one · ▲871The Internet’s fastest, privacy-first DNS resolver
The 1.1.1.1 App2018 · apps.apple.com · ▲689Faster, more private internet by Cloudflare, now on mobile
Cfddns – A No Nonsense Script to Dynamically Update Cloudflare IP2023 · github.com · ▲5I couldn't find a decent tool to dynamically update IP address in my Cloudflare account, so I created one for me. Thought share with others. It can be run directly, as a scheduled task, and as a docker container. Only API token and target domain is required.
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