bad horizontal referral ?
Kevin Darcy
kcd at chrysler.com
Wed Mar 12 02:43:15 UTC 2008
Jean-François Leroux wrote:
> Hi,
> doing a trace with dig today I got a 'BAD (HORIZONTAL) REFERRAL'
> message, with the correct answer though.
> What does this mean ?
>
>
>
Referrals should be "down" not "across". If you're resolving www.foo.com
iteratively and along the way a delegated nameserver for foo.com refers
you to blah.com, that's a useless referral because it doesn't get you
any closer to resolving the name.
Dig probably got the correct answer because it gave up on the broken
nameserver and tried a different one.
- Kevin
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