[tlug] Re: Absurd DNS failures

[Stephen Lee <sl@example.com>]

"Norman Diamond" <ndiamond@example.com> wrote:
> When dialled up from Linux, the nslookup command automatically contacts my
> ISP's DNS servers and resolves names like www.yahoo.co.uk, www.yahoo.co.jp,
> and www.att.com.  But it fails with names like www.yahoo.com -- it says that
> it cannot reach any name servers.  This has been reproduced a dozen times
> one day and a dozen times the next day.

Are you using any firewall in Linux?  Maybe you've blocked TCP queries?

Maybe it is something like wrong MTU, or you're using ECN?

Just some wild guesses.

Stephen