DNS-O-Matic
DNS-O-Matic: A focused, free update relay for people managing several DDNS providers. Ranked #14 of 24 in Dynamic DNS Services by our editors (7.8/10); pricing: Free plan; best for updating multiple DDNS services at once.
At a glance
- Editor score7.8 / 10
- PricingFree plan
- Best forUpdating multiple DDNS services at once
- Free planYes
- Paid fromFree
- Facts checked20 Sep 2026
Where it wins
- Sends one IP update to multiple selected services
- Supports API, HTTPS, wildcard parameters, and up to 20 hosts
- Works with Windows, Mac, Linux, Tomato, and DD-WRT
Where it doesn't
- Does not provide hostnames or separate DNS hosting
- New account creation is currently closed
- Limited to supported services and compatible clients
Our verdict on DNS-O-Matic
DNS-O-Matic is a free OpenDNS service for people who maintain dynamic DNS configurations across several providers. Instead of sending the same dynamic IP update separately to each service, it distributes one update to multiple selected services. It is suited to home-network administrators, developers integrating dynamic-IP updates into software or hardware, and users managing providers such as Cloudflare, DuckDNS, DynDNS, No-IP, Namecheap, and OpenDNS. It is a coordination layer rather than a hostname provider or separate DNS hosting service.
Its strongest advantage is breadth across update methods and services. DNS-O-Matic offers a REST-style API for client and hardware integrations, an HTTPS update endpoint on port 443, a public-IP detection endpoint, and wildcard update parameter support. It can update up to 20 hosts, while compatible software clients cover Windows, Mac, and Linux. Router support through Tomato and DD-WRT also gives it a practical fit for network-level automation. The service connects with a range of named providers, including Afraid.org, ClouDNS, DuckDNS, Dynu, OVH, and ZoneEdit.
The service is free, but access has an important practical restriction: its account-creation page says it is no longer accepting new accounts. That makes DNS-O-Matic more appropriate for existing users or teams that already have access than for someone starting a new DDNS setup today. Choose it when one update needs to reach multiple supported services through software, routers, or an API. Choose an alternative when you need new account registration, built-in hostnames, standalone DNS hosting, or a provider outside its supported integrations.
Your product? Our editors can test DNS-O-Matic in depth and publish a review, labelled as paid · from $149/mo →
DNS-O-Matic pricing
DNS-O-Matic fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Hostname limit | Not verified |
| IPv6 support | Not verified |
| Custom domains | Not verified |
| Router support | Yes |
| API access | Yes |
| Wildcard records | Yes |
| Update interval | Not verified |
| Deployment | Cloud, Browser extension |
| Platforms | Web, Windows, macOS, Linux |
| Support | Docs |
| Built for | Solo, Small business (editorial estimate) |
| Integrations | 11 integrations: Afraid.org, Cloudflare, ClouDNS, DuckDNS, DynDNS, Dynu … See all → |
| Pricing | Free plan |
| Website | dnsomatic.com |
| Facts checked | 20 Sep 2026 |
DNS-O-Matic integrations
DNS-O-Matic lists 11 integrations on its own site.
- Afraid.org
- Cloudflare
- ClouDNS
- DuckDNS
- DynDNS
- Dynu
- Namecheap
- No-IP
- OpenDNS
- OVH
- ZoneEdit
See all DNS-O-Matic integrations →
Alternatives to DNS-O-Matic
- Dynu Dynamic DNSA feature-rich free DDNS service with broad client, DNS, and API support.9.4
- ApertoDNSA capable free DDNS service for automated updates across routers, cloud tools and containers.9.2
- DynIPA flexible DDNS service with broad integrations, APIs, IPv6, and custom domains.9.0
See all DNS-O-Matic alternatives →
Used DNS-O-Matic? Be the first to review it
The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used DNS-O-Matic for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.
Write a reviewTwo minutes · verified accounts only · read by an editor before it appears
Featured on iTechGuides
DNS-O-Matic is listed in our Dynamic DNS Services directory. Add the badge to your site — it links back to this page.
<a href="https://www.itechguides.com/products/dns-o-matic/"><img src="https://www.itechguides.com/best/badge/dns-o-matic.svg" alt="Featured on iTechGuides" width="230" height="46"></a>
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Last updated · How we research and update