kea/tests/system/ixfr/b10-config.db.in

{"version": 2,
    "Xfrin": {
        "zones": [{
            "master_addr": "10.53.0.1",
            "master_port": 53210,
            "name": "example.",
            "use_ixfr": true
        }]
    },
    "Auth": {
        "listen_on": [{
            "address": "10.53.0.2",
            "port": 53210
        }],
        "database_file": "@abs_builddir@/zone.sqlite3"
    },
    "Zonemgr": {
        "secondary_zones": [{
            "name": "example.",
            "class": "IN"
        }]
    }
}