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.
Dns Jumper - DNS Jumper is a portable freeware App which makes changing your DNS settings as easy as clicking a button , it is the world's first IPv6 supported Dns tool
No-IP - Dynamic DNS and Managed DNS Provider
namebench - Provides personalized DNS server recommendations based on your browsing history.
iWantMyName - Register your own custom domain for web applications, email, blog or website such as Google Apps...
Public DNS Server Tool - Public DNS Server Tool is a small utility for changing the DNS servers in Windows XP, Vista, 7 and...
Duiadns - free dynamic dns, enhanced ipv6 features, apple routers mDNS support.