def _aa_dns_servers(self):
        self.is_statement = False
        self.is_option = False
        self._ip_list(self.obj.ip_type)
run bootstrap for estimation of distribution parameters
dataset/ETHPy150Open mozilla/inventory/core/network/models.py/NetworkKeyValue._aa_dns_servers--crossover with--dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/sandbox/distributions/sppatch.py/distfitbootstrap