[Unbound-users] Parent Child Disagreement Redux
lampe at hauke-lampe.de
Tue Jul 20 21:24:50 UTC 2010
On 07/20/2010 10:14 PM, Robert Edmonds wrote:
> what am i missing? the only problem i see is that the nameservers for
> www.us.hsbc.com (broken loadbalancers?) don't respond to qtype=NS and
> some other qtypes, e.g. MX and TXT. but they do send NOERROR for
Not responding to NS records would be bad enough. To make it worse, the
nameservers only respond to all-lowercase queries.
$ dig +short www.us.hsbc.com @220.127.116.11
$ dig +short wwW.Us.hsBc.cOm @18.104.22.168
;; connection timed out; no servers could be reached
That breaks 0x20 randomization ("use-caps-for-id: yes").
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