dynv6
dynv6: A free, API-focused DDNS service for changing IPv4 and IPv6 addresses. Ranked #15 of 24 in Dynamic DNS Services by our editors (7.7/10); pricing: Free plan; best for API-focused IPv4/IPv6 DDNS.
At a glance
- Editor score7.7 / 10
- PricingFree plan
- Best forAPI-focused IPv4/IPv6 DDNS
- Free planYes
- Paid fromFree
- Facts checked20 Sep 2026
Where it wins
- Supports dynamic IPv4 and IPv6 hostnames
- Includes REST, Update, and DynDNS APIs
- Offers custom domains, webhooks, TSIG, and wildcard records
Where it doesn't
- No enterprise-grade DDoS protection
- No service-level agreements
- Positioned for personal and non-critical hosting
Our verdict on dynv6
dynv6 is a free dynamic DNS service for assigning public hostnames to changing IPv4 and IPv6 addresses. It is aimed at people managing personal or non-critical hosting who need automated address updates, IPv6 support, or control beyond a basic hostname. The service is available through the web and API, and it supports delegated custom domains alongside its dynamic hostname offering.
Its strongest fit is API-driven administration. REST, Update, and DynDNS APIs provide several ways to automate address changes, while SSH administration with public-key authentication and TSIG-based DNS updates support operational workflows that need authenticated control. Webhook notifications can alert external services when IP addresses change. DNS coverage includes A, AAAA, TXT, MX, CNAME, SRV, and CAA records, with wildcard records available for broader hostname handling.
Pricing is straightforward: dynv6 is free, and the published offering does not describe paid tiers. That makes it suitable when the priority is IPv4/IPv6 DDNS capability without a subscription tier structure. The trade-off is its stated scope. dynv6 is positioned for personal and non-critical hosting and does not offer enterprise-grade DDoS protection or SLAs. Choose it for flexible, automation-friendly dynamic DNS and custom-domain delegation; choose an alternative when contractual availability commitments or enterprise-grade traffic protection are required.
Your product? Our editors can test dynv6 in depth and publish a review, labelled as paid · from $149/mo →
dynv6 pricing
dynv6 fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Hostname limit | Not verified |
| IPv6 support | Yes |
| Custom domains | Yes |
| Router support | Not verified |
| API access | Yes |
| Wildcard records | Yes |
| Update interval | Not verified |
| Deployment | Cloud |
| Platforms | Web |
| Support | Docs |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan |
| Website | dynv6.com |
| Facts checked | 20 Sep 2026 |
Alternatives to dynv6
- 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
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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