[dns-operations] most of root NS and com's NS fail from here

Warren Kumari warren at kumari.net
Tue Apr 29 19:15:59 UTC 2014

On Tue, Apr 29, 2014 at 2:18 PM, bert hubert <bert.hubert at netherlabs.nl> wrote:
> On 29 Apr 2014, at 20:55, Emmanuel Thierry <ml at sekil.fr> wrote:
>> What we may observe from tests is that some dns servers failed without an obvious connectivity problem (ping is OK). As a consequence, i think it would be really interesting to test for instance with an arbitrary dns server and see whether it fails or not.
> Even root-servers that are down have been known to respond as observed from China. Sometimes within less milliseconds than it takes to reach the border.
> It is not internet as ‘we’ know it there.

What would be interesting to see would be nsid, hostname.bind, etc
from the NS to *do* resolve.

dig -4 @l.root-servers.net hostname.bind CH TXT
dig -4 @l.root-servers.net . SOA +nsid


>         Bert
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