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PowerDNS works perfect with native replication on MariaDB Galera. Testing on a 3 node VM cluster (will move one VM to a US node all are on EU now to check behavior on distant links). Also PowerDNS-Admin makes management easy (although we use the API to insert records and domains). Will replicate the scenario on our production setup as soon as I am satisfied.
Server run by the main developers of the project 
It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!