[dns-operations] *.de kicked out of service due to NXDOMAIN

Florian Weimer fweimer at bfk.de
Fri Nov 13 16:12:40 UTC 2009

* Joe Abley:

> On 2009-11-13, at 07:43, Patrick W. Gilmore wrote:
>> Is it disallowed by standard?
> Since a name error means "there is no such name for any RR" it seems
> weird to record that as "well, there's no such name for A, but maybe
> there will be one for AAAA since the server could be having a bad
> day, let's keep our minds open".

It actually means that the whole subtree does not exist.  But no
resolver implements this because you would be able to DoS most DNSBLs.

Florian Weimer                <fweimer at bfk.de>
BFK edv-consulting GmbH       http://www.bfk.de/
Kriegsstraße 100              tel: +49-721-96201-1
D-76133 Karlsruhe             fax: +49-721-96201-99

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