Dear NANOG: I hope I can solicit some feedback from this venerable group. :-) Currently, my group operates 16 BIND servers across 5 datacenters, handling internal and external namespace duties. These servers are responsible for both internal and external forward and reverse name and IP spaces. There are also a number of Windows AD servers that hold their own namespaces, that the BIND servers slave from this info from, so names resolve between these domains. Windows AD forwards queries for internal zones it does not own to the appropriate namespace holder. So Windows DNS server interoperability is a business requirement. Some of these zones are dynamic, some are static. None of the dynamic zones are populated via DHCP, but by self-registration. We have heretofore used some in-house scripts for managing this, but obviously, the thought of keeping and managing this data in something other than its current form has caught on in our minds, and so therefore we are looking at a proposal put forth, to replace all of our BIND servers with a PowerDNS infrastructure. BIND has been the backbone of the Internet, and so many of us are wary of replacing BIND, when in essence, BIND itself is not the issue, nor is it broken. Has anyone done any in house comparance of PowerDNS versus BIND-DLZ? Googling has led to some useful info but no useful side by side comparances that are not obviously partisan. I favor something like ProBIND2, that keeps the data in the DB, but does not tie the serving of the data, etc to anything other than BIND. Any success/horror stories from implementing BIND management solutions is very welcome. If anyone has any success/horror stories about PowerDNS, BIND-DLZ, or a system like ProBind2 or NetDB (from Stanford) to manage BIND and its configurations in a DB, I would be very interested in hearing them. :-) Thank you. Best Regards, Ross S. Dmochowski Sr. Linux Administrator IGN/Gamespy/Fox Interactive Media ross@ign.com