DNS is a hacker's favorite, enabling traffic diversion, password theft, server impersonation and more. Security extensions require training and processes, which slowed adoption. BuddyNS provides you with immediate DNS security for all your domains. This is drop-in upon activation and requires no learning, and no change to your infrastructure or configuration.
I can use my own domain for free and it works just fine with IPv4 and IPv6.
I'm using it with am apple airport router and it's working fine
No-IP - Dynamic DNS and Managed DNS Provider
DNS-O-Matic - DNS-O-Matic (dnsomatic.
iWantMyName - Register your own custom domain for web applications, email, blog or website such as Google Apps...
Duck DNS - Free dynamic DNS hosted on Amazon VPC
XName - Free DNS hosting.
FreeDNS by Afraid.org - Free DNS hosting, lets you fully manage your own domain. Dynamic DNS and Static DNS services available. You may also create hosts off other domains that we host upon the domain owners consent, we have several domains to choose from!