# DuckDNS

DuckDNS is a free dynamic DNS service that points a duckdns.org subdomain to your IP address and keeps the record current automatically. It is open source and self-hosted, installable on Docker Hub, ZimaOS and Unraid.

Canonical page: https://ourlocalhost.com/app/332/duckdns

## Description

DuckDNS is a free dynamic DNS service that points a duckdns.org subdomain to your IP address and keeps the record current automatically. It gives homelab and remote-access users a reliable domain with no cost, reactivation, or renewal required.

## Platform availability

Available on 2 of 9 platforms: Unraid, ZimaOS.

## Health score

69/100 (Good), based on 3 of 4 factors.
- Maintained: 100 (last commit 17 days ago)
- Popular: 52 (377 GitHub stars)
- Easy to install: 30 (2 install platforms, Docker image)

## Links

- Docker Hub: https://hub.docker.com/r/linuxserver/duckdns
- ZimaOS: https://github.com/IceWhaleTech/CasaOS-AppStore/tree/main/Apps/DuckDNS
- Unraid: https://ca.unraid.net/apps/duckdns-0lnyubo0h33uvs?q=duckdns
- Official website: https://duckdns.org/
- GitHub: https://github.com/linuxserver/docker-duckdns

## Common questions

### Do I have to re-activate my DuckDNS subdomain regularly?

No. DuckDNS is a free service that does not require reactivation or forum posts to maintain its existence.

### Can a DuckDNS outage affect my DNS record if my IP changes?

It can matter if your dynamic IP changes right before the outage; otherwise, an already registered IP record generally should not be affected.

### What port-forwarding setup issues do users report with DuckDNS?

Users report struggling with DuckDNS and port forwarding when running multiple services on different devices, such as Home Assistant and Nextcloud.

### Does the LinuxServer DuckDNS container receive application updates?

Yes. LinuxServer says its container releases include regular and timely application updates.

## Alternatives

- Cisco Umbrella: Cisco Umbrella (formerly OpenDNS) provides the first line of defense against threats on the internet wherever users go.
- Cloudflare: Protects websites with front-end proxy, dynamic DNS, CDN, and firewall; blocks DDoS and targeted attacks, optimizes traffic, and analyzes t…
- No-IP: No-IP allows you to create up to 3 free Dynamics DNS hosts for private use.

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Source: Our Local Host (https://ourlocalhost.com/app/332/duckdns), the self-hosted and open-source app directory.