DirectUpdate - DirectUpdate is a dynamic DNS updater with many features.
No-IP - Dynamic DNS and Managed DNS Provider
Dynamic DNS client for Windows - It’s essentially a PAR‘ed up version of a slightly modified ddclient, packaged as a Windows service...
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!
OpenDNS Updater - OpenDNS recommends that you use our client-side software to keep your dynamic IP updated for your...
Duck DNS - Free dynamic DNS hosted on Amazon VPC