Ian Forbes wrote: > ( MySQL's native replication won't work in this application, as it is > one way master-slave only.) MySQLs native replication is not master-slave only. I've successfully run it as master-master as described in the MySQL documentation. Therefore an option might be to use MySQL-backended PowerDNS with master-master replication on the databases. Regards, Paul Cupis -- paul@cupis.co.uk