what happens when you put a typo in a DNSBL server?
a.harrowell at gmail.com
Tue Jan 16 16:49:30 UTC 2007
Let's all hope they don't think of the possibilities *too* quickly.
On 1/16/07, Wes Hardaker <wjhns61 at hardakers.net> wrote:
> A number of ISPs use njabl.org as a DNS BL server. However, starting
> jan 2 a new domain exists "njalb.org" which is serving A records for
> anything queried against it's DNS server. (note the difference: njaBL
> vs njaLB). Previous to this date a misconfigured ISP was just not
> being protected by the BL. Now, it's potentially dropping all mail
> from anyone because of the typo.
> # dig +short mail.merit.edu a
> # dig +short 22.214.171.124.combined.njabl.org
> # dig +short 126.96.36.199.combined.njalb.org
> I know of at least one ISP that is likely dropping mail from
> "In the bathtub of history the truth is harder to hold than the soap,
> and much more difficult to find." -- Terry Pratchett
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