BuddyNS is the fastest-to-synchronize DNS service on the Internet. Whenever you add or modify records for your domain name, BuddyNS synchronizes within 10 minutes, or immediately with SyncNOW!. As a comparison, most alternative services synchronize in one to twelve hours.
BuddyNS allows you to host unlimited zones, and unlimited records for free.
BuddyNS is NOT a public DNS cache such as OpenDNS. BuddyNS is meant to assist domain name owners, not end users.
Essential features: immediate sync with master, 4 geographically sparse servers in USA and EU, 100% uptime since inception, native IPv4 and IPv6, unlimited domains and records for free, BuddyBoard for checking sanity and state of your primary, responsive support@buddyns.com contact.
Comments and Reviews
I'm not a DNS expert but BuddyDS was very easy to set up and use. I've not had any problems with it since using the service and most impressive of all is that it is free!