resolving problems when some authoritative servers are down

[Kevin Darcy]

John wrote:

>Trying to resolve usmc.mil addresses and failing. It appears as though they
>have five servers listed as authoritative and only two are actually working.
>Why would I get a failure if two of them are up?
>
>Running bind 9.2.3 latest with a very simple setup, just a server resolving
>hosts that has no zone files on it (except localhost, hint file, etc.)
>
>No big problems, been working fine for 4000+ users. nslookup works great on
>everything. Servers have been running for months. Tried restarting them.
>
>Just problems with usmc.mil, and I would expect problems with other domains
>that have a large # of authoritative servers down and a few up.
>
I can get responses from all 5 usmc.mil servers. Maybe you have some 
intermittent networking problems that are causing all of the servers to 
appear down from time to time (?)

                                                                         
                                    - Kevin