We have: ns1.lctc.org ns2.lctc.org ns2.lctc.org is (aparently) down. It is in a locked and alarmed building. How is this effecting users of our DNS? Where in the fine manual is this information? We've looked at the backup DNS chapter of the bind book. We've also a bunch of times done a: dig @host_that_didnt_cached_us domainwehost.org Things look ok, mail is flowing websites are accessed, nobody has complained. Still we feel uneasy...