I am a little biased since I worked on PowerDNS :-) With that out of the way, PowerDNS absolutely is a great match for what you are trying to do. Setting up a

I am a little biased since I worked on PowerDNS :-) With that out of the way, PowerDNS absolutely is a great match for what you are trying to do. Setting up a master/slave situation is very simple. And having your records just there in MySQL is great if you want to put some PHP/Java/RoR/Python/Whatever web frontend on it. PowerDNS is highly reliable. I've seen it running for large setups. Including large registrars and even top level domains like .TK.