def METHOD_NAME(dns_alias_name: Optional[pulumi.Input[str]] = None,
                                resource_group_name: Optional[pulumi.Input[str]] = None,
                                server_name: Optional[pulumi.Input[str]] = None,
                                opts: Optional[pulumi.InvokeOptions] = None) -> pulumi.Output[GetServerDnsAliasResult]:
    """
    Gets a server DNS alias.
    :param str dns_alias_name: The name of the server dns alias.
    :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.
    :param str server_name: The name of the server that the alias is pointing to.
    """
    ...