.. SPDX-License-Identifier: GPL-3.0-or-later .. _mod-serve_stale: Serve stale =========== Demo module that allows using timed-out records in case kresd is unable to contact upstream servers. By default it allows stale-ness by up to one day, after roughly four seconds trying to contact the servers. It's quite configurable/flexible; see the beginning of the module source for details. See also the RFC draft_ (not fully followed) and :any:`cache.ns_tout`. Running ------- .. code-block:: lua modules = { 'serve_stale < cache' } .. _draft: https://tools.ietf.org/html/draft-ietf-dnsop-serve-stale-00