While struggling with the challenges of editing zone files, more than a few sysadmins noticed that SQL is a terrific place to store DNS data. By moving the Single Source of Truth from text files into SQL, DNS data could be validated and constrained before acceptance into the database. Export scripts could convert the SQL to zone files. Rsync could replace named-xfer for distribution, increasing security and reducing propagation time. Among large hosting providers, it became fashionable to store DNS data in SQL and build a custom interface for managing it. mysqlBind is one such DNS manager. It provides a web interface for data input and exports the data to BIND zone files.