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duckdns.org

● Identity checked

Code · Vendor site 2026-10-04

Duck DNS is a free dynamic DNS service hosted on AWS that lets users point a subdomain to changing home or server IP addresses. It exposes a simple HTTP API for updates, optional token authentication, and community support channels for self-hosters.

Updated 2026-10-04View sources
Official website
Category
Code
Free access
Service is described as free dynamic DNS with optional Patreon or Bitcoin support links.
API access
Specification page documents an HTTP API to update DNS records with domain and token parameters.

Is duckdns.org right for you?

A good fit for

Homelab owners and developers exposing services from residential or dynamic IP connections.

Before you choose

Free service relies on community funding; advanced enterprise SLAs are not advertised on the spec page.

Free dynamic DNS

Duck DNS gives homelab users a lightweight subdomain and API updates so services stay reachable when ISP addresses change.

What it can do

Features & capabilities

Unknown is different from unavailable. Each fact carries its own evidence.

CapabilityValueEvidenceChecked
Dynamic DNSHomepage tagline states free dynamic DNS hosted on AWS.Facts sourced2026-10-04
HTTP update APISpec page documents HTTPS and HTTP update URLs with token parameters.Facts sourced2026-10-04
Community supportSite links FAQs, Reddit, and donation options for sustaining the free service.Facts sourced2026-10-04

Understand the total cost

duckdns.org pricing & plans

Free

Free

Service is described as free dynamic DNS with optional Patreon or Bitcoin support links.

Access
Service is described as free dynamic DNS with optional Patreon or Bitcoin support links.
Explore pricing & history

Alternatives to duckdns.org

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The practical questions

Frequently asked questions

What is duckdns.org used for?

Duck DNS is a free dynamic DNS service hosted on AWS that lets users point a subdomain to changing home or server IP addresses. It exposes a simple HTTP API for updates, optional token authentication, and community support channels for self-hosters.

Does duckdns.org have a free plan?

Service is described as free dynamic DNS with optional Patreon or Bitcoin support links.. This record lists ongoing free access; check the plan limits before starting.

How much does duckdns.org cost?

No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.

Can I use duckdns.org through an API?

Specification page documents an HTTP API to update DNS records with domain and token parameters.. API access and subscription access may have different terms; consult the linked sources.

What should I check before choosing it?

Free service relies on community funding; advanced enterprise SLAs are not advertised on the spec page.

Price history

No retained pricing changes yet. A current price alone does not establish a historical trend.

How this profile is supported

Facts apply to the named version and check date. Send a sourced correction if something changed.