Spotty Lookups on One of Our Networks
Carsten Strotmann
cas at strotmann.de
Wed Oct 31 13:28:56 UTC 2012
Hello Martin,
Martin McCormick <martin at 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".
-- Carsten
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