Am 2019-07-25 14:51, schrieb hw: > Hi, > > how can DNS reliability, as experienced by clients on the LAN who are > sending queries, be increased? > > Would I have to set up some sort of cluster consisting of several > servers all providing DNS services which is reachable under a single > IP address known to the clients? > > Just setting up several name servers and making them known to the > clients > for the clients to automatically switch isn't a good solution because > the clients take their timeouts and users lacking even the most basic > knowledge inevitably panic when the first name server does not answer > queries. Run a local cache (unbound) and enter all your local resolvers as upstreams.