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
NetSetMan - Are you tired of changing your network configuration on your laptop every day?
Duck DNS - Free dynamic DNS hosted on Amazon VPC
Net Profile Switch - Net Profile Switch is a network configuration switcher for notebook users:29.95$.
FreeDNS - 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!
Net Profiles - With Net Profiles, mobile computing becomes a whole lot easier.
No-IP - Dynamic DNS and Managed DNS Provider