RE: [FreeDNS] Domains not resolving properly

["Tiaan van Aardt" <tva@xxxxxxxxxxxx>]

Hi Johan,

> That said, I have been observing all manner of strange
> transient DNS failures
> for the past, oh, two - three weeks.  (Typical symptom:
> MTA complains a
> domain is non-routable, but if you check it within seconds
> afterwards you see
> no problem.)  So far I'm at a loss to explain them.  Anyone
> else in ZA-land notice anything similar?

I have, yes. But only on name-servers that run the bind "TSIG" exploit
and that have been hacked. In this exploit, bind gets replaced by
another (hacked) bind which is supposed to handle requests correctly,
but does not always manage to do this. Hence, a missed query?

Tiaan.
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