{
    "$schema": "http://json-schema.org/draft-04/hyper-schema",

    "additionalProperties": false,

    "required": ["priority", "weight", "port", "target"],

    "properties": {
        "priority": {
            "type": "integer",
            "minimum": 0,
            "maximum": 65535
        },
        "weight": {
            "type": "integer",
            "minimum": 0,
            "maximum": 65535
        },
        "port": {
            "type": "integer",
            "minimum": 0,
            "maximum": 65535
        },
        "target": {
            "type": "string",
            "format": "hostname"
        }
    }
}