DDNSS
DDNSS: A free DDNS service with IPv4/IPv6 updates, router support and flexible DNS records. Ranked #6 of 24 in Dynamic DNS Services by our editors (8.6/10); pricing: Free plan; best for free DDNS with router and record support.
At a glance
- Editor score8.6 / 10
- PricingFree plan
- Best forFree DDNS with router and record support
- Free planYes
- Paid fromFree
- Facts checked20 Sep 2026
Where it wins
- Supports IPv4, IPv6, HTTPS and DynDNS2 update methods
- Works with routers, NAS devices, scripts and updater tools
- Supports A, AAAA, TXT, MX, SRV, NS and wildcard records
Where it doesn't
- Free-only model has no paid tier options
- Configuration varies across supported router and NAS integrations
- Focused on dynamic DNS rather than broader hosted DNS management
Our verdict on DDNSS
DDNSS is a free dynamic DNS service for home servers, NAS devices, VPN access, cameras, IoT devices and other systems with changing IP addresses. It provides DNS hostnames with IPv4 and IPv6 update endpoints, so devices can remain reachable through a consistent hostname. Updates can be handled through HTTPS, the DynDNS2 protocol, scripts or API-style methods. The service is available through the web and API, with configuration support for several routers and network devices.
Its strongest fit is for users who need practical device reachability without a paid subscription. The Free plan includes the dynamic DNS service, IPv4 and IPv6 support, and router- or script-based updates. Supported integrations include Fritz!Box, DD-WRT, IPFire, Synology, Ubiquiti EdgeRouter, Speedport Smart and DrayTek Vigor. Key-based authentication adds an alternative to simpler update methods, while HTTPS support gives administrators another way to send address changes.
DDNSS also goes beyond a single hostname update pattern. Wildcard hostnames are supported, and the service handles A, AAAA, TXT, MX, SRV and NS records, which suits setups that need more than basic address resolution. It remains a focused choice for dynamic DNS and related record management rather than a broader hosted DNS platform. Choose DDNSS when free IPv4/IPv6 updates, router compatibility and multiple record types matter; consider another service if you need paid tiers or a wider DNS management offering.
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DDNSS pricing
All 1 DDNSS plans and prices →
DDNSS fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Hostname limit | Not verified |
| IPv6 support | Yes |
| Custom domains | Not verified |
| Router support | Yes |
| API access | Yes |
| Wildcard records | Yes |
| Update interval | Not verified |
| Deployment | Cloud |
| Platforms | Web |
| Compliance & security | GDPR |
| Support | Docs |
| Built for | Solo, Small business (editorial estimate) |
| Integrations | 7 integrations: Fritz!Box, DD-WRT, IPFire, Synology, Ubiquiti EdgeRouter, Speedport Smart … |
| Pricing | Free plan (source) |
| Website | ddnss.de |
| Facts checked | 20 Sep 2026 |
DDNSS integrations
DDNSS lists 7 integrations on its own site.
- Fritz!Box
- DD-WRT
- IPFire
- Synology
- Ubiquiti EdgeRouter
- Speedport Smart
- DrayTek Vigor
Alternatives to DDNSS
- 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
DDNSS vs the competition
- DDNSS vs Dynu Dynamic DNS
- DDNSS vs ApertoDNS
- DDNSS vs DynIP
- DDNSS vs No-IP Dynamic DNS
- DDNSS vs DNS Exit
- DDNSS vs DuckDNS
Compare DDNSS with any tool side by side →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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