The German provider DynDNS Service is a widely used DynDNS service and is available as a free and premium version. The free DynDNS version allows users to generate up to three DynDNS domains. The premium version can generate up to 100 URLs for private or commercial use. Users are required to register for a free account in just a few clicks. Once registered, users simply create a DynDNS domain, and enter their account data into the router.