resolver problem

[Barry Margolin]

In article <9v7tek$hn5 at pub3.rc.vix.com>, Turenne <forgetme at nospam.org> wrote:
>Just finishing upgrading our Linux DNS servers to RedHat 7.2 which comes
>with BIND 9.1.3.  Convert and import our old 4.9 zones files, and start
>named.
>
>Answer with queries using NSLOOKUP and DIG come immediately. Do a PING host
>ok too but when I use TELNET, FTP and such utilities name resolution takes
>more than 30 seconds to complete.

This is a problem with your reverse DNS.  The TELNET and FTP servers are
trying to translate the client address to a name (so they can put it in the
utmp and wtmp files), but the servers that the reverse DNS is delegated to
are not responding, so it waits for a timeout.

-- 
Barry Margolin, barmar at genuity.net
Genuity, Woburn, MA
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