In article <mailman.544.1351690146.11945.bind-us...@lists.isc.org>, Carsten Strotmann <c...@strotmann.de> wrote:
> Hello Martin, > > Martin McCormick <mar...@dc.cis.okstate.edu> writes: > > > I described a case where one of our remote campuses can't > > resolve a number of remote domains. One example is noaa.gov. It > > also successfully resolves random remote domains without > > seemingly any rime or reason. > > > > Here is a bad dig trace for noaa.gov > > > [...] > > <http://www.zonecut.net/dns> shows that > nameserver ns-e.noaa.gov is not responding > > The dig +trace might "hang" if that authoritative DNS server is selected > for the query. > > "ns-mw.noaa.gov" and "ns-nw.noaa.gov" operate fine. "ns-e" could mean > "east coast". Did the problem coincide with Hurricane Sandy? That would explain inability to reach many east coast servers. Resolvers should work around this by failing over to other servers (assuming the organization has them geographically distributed, as NOAA.GOV does), but dig +trace doesn't. -- Barry Margolin Arlington, MA _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
