def METHOD_NAME(dns_alias_name: Optional[pulumi.Input[str]] = None,
                                        managed_instance_name: Optional[pulumi.Input[str]] = None,
                                        resource_group_name: Optional[pulumi.Input[str]] = None,
                                        opts: Optional[pulumi.InvokeOptions] = None) -> pulumi.Output[GetManagedServerDnsAliasResult]:
    """
    Gets a server DNS alias.
    :param str managed_instance_name: The name of the managed instance.
    :param str resource_group_name: The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
    """
    ...