If its your DNS, My host has free DNS Service for customers and non-customers you can read more about it here
interserver.net free advanced dns service
I got a deal for a dedicated server from them (
www.interserver.net) they call it a "Quick Servers" it's a dedicated server run in KVM virtualization but your the only one on that box if anyone is looking, Also cheapest VPS and fully managed servers. Been with them for almost 4 years and only down time i had was 1 day when hurricane sandy hit the east coast and their data center is in new jersey.