Dynv6 gives dynamic IPv4/IPv6 devices a stable public hostname for free. See how the service, run by Digineo GmbH, works and who it's built for.
Dynv6 is a dynamic DNS service that gives devices with changing IP addresses a stable, public hostname to be reached at. It's operated by Digineo GmbH, a German company, and has built a following particularly among users who need robust native IPv6 support, which many older dynamic DNS providers still handle poorly.
The service works by letting users register a free hostname (or delegate their own domain) and then update the DNS record whenever their IP address changes, either automatically from a router or script, or manually through the dashboard.
Dynv6 supports multiple update methods so it can fit almost any router, script, or device setup: a REST API, a classic DynDNS-compatible update protocol, SSH updates using public-key authentication, and DNS updates secured with TSIG keys. This flexibility makes it popular with self-hosters running custom firmware like OpenWrt or pfSense.
Beyond basic hostname updates, the service offers webhooks that fire notifications when an IP address changes, full zone management for delegated domains, and native, first-class handling of IPv6 prefixes rather than treating it as an afterthought behind IPv4.
Dynv6 is completely free to use. There is no paid tier, subscription, or premium plan; users can register hostnames, delegate domains, and use any of the supported update methods without payment.
Because it's free, the service explicitly states it does not offer enterprise-grade DDoS protection or formal uptime SLAs, and it recommends against relying on it for mission-critical production services where guaranteed availability is required.
Yes, dynv6 is entirely free with no paid plans; users register hostnames and use any supported update method at no cost.
Dynv6 is operated by Digineo GmbH, a company based in Germany.
Yes, users can delegate an owned domain to dynv6 for full DNS zone management rather than only using a dynv6-provided hostname.
Yes, though it's especially known for its strong native IPv6 support, dynv6 also supports IPv4 dynamic addresses.
Not recommended; dynv6 does not offer enterprise-grade DDoS protection or uptime SLAs, so it's better suited to personal or non-critical services.