[dns-operations] IANA testbed problem

Florian Weimer fweimer at bfk.de
Fri Apr 9 14:43:22 UTC 2010

* George Barwood:

> should ( I think) be a referral to the org servers, since the DS RRset is served by the parent zone. 
> However, the actual response is an authoritative NoData response, 
> iana.org.               3600    IN      SOA     dns1.icann.org. hostmaster.icann
> i.e. it is coming from the iana.org zone rather than the root zone.
> Am I being stupid, or is this a bug?

Resolvers are supposed to have special processing logic (chopping of
labels from the front of the QNAME) to deal with this.  The production
root shows a similar behvaior for A.ROOT-SERVERS.NET/IN/DS queries.

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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