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[Joel <jeidsath@xxxxxxxxx>]

I have this issue with ssh in Ubuntu 11.10. Installing the power-dns
resolver as mentioned in an earlier comment worked for me.

To install pdns-resolver, I I set my nameserver to 127.0.0.1 in /etc/resolv.conf and followed these instructions:
http://www.thatfleminggent.com/2009/08/09/getting-a-powerdns-recursor-up-and-going-fast

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Packages, which is subscribed to network-manager in Ubuntu.
https://bugs.launchpad.net/bugs/417757

Title:
  [regression] all network apps / browsers suffer from multi-second
  delays by default due to IPv6 DNS lookups

Status in “eglibc” package in Ubuntu:
  Triaged
Status in “network-manager” package in Ubuntu:
  Invalid
Status in “eglibc” source package in Lucid:
  Triaged
Status in “network-manager” source package in Lucid:
  Invalid
Status in “eglibc” source package in Karmic:
  Fix Released
Status in “network-manager” source package in Karmic:
  Invalid
Status in “glibc” package in Fedora:
  Confirmed

Bug description:
  In Karmic, DNS lookups take a very long time with some routers,
  because glibc's DNS resolver tries to do IPv6 (AAAA) lookups even if
  there are no (non-loopback) IPv6 interfaces configured. Routers which
  do not repond to this cause the lookup to take 20 seconds (until the
  IPv6 query times out).

  *** PLEASE DO NOT COMMENT ON THIS BUG unless you have something
  constructive to say. Everything that can be said has already been
  said, and if you comment, you are just adding noise. Please let those
  that actually know what they are doing concentrate on fixing this bug
  from now on. ***

  If disabling IPv6 or using good DNS servers like openDNS fixes the
  problem, you are not dealing with this bug. Please refrain from
  complaining here in that case

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