Serve stale

Demo module that allows using timed-out records in case kresd isunable 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 RFCdraft (not fully followed) andcache.ns_tout.

Running

modules={'serve_stale < cache'}