Again question about edns (like swupdl.adobe.com)
Hauke Lampe
lampe at hauke-lampe.de
Wed Oct 22 14:47:42 UTC 2014
On 22.10.2014 12:30, IDS Submit wrote:
> with www.acer.it I have the same problem as swupdl.adobe.com
Indeed, I the same on a BIND 9.10.1 resolver with SIT requests enabled:
> $ dig swupdl.wip4.adobe.com
[...]
> ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 2510
[...]
> wip4.adobe.com. 30 IN SOA sj1gtm001.adobe.com. hostmaster.sj1gtm001.adobe.com. 1288 10800 3600 604800 60
As the SIT option uses an experimental OPT code for now, you should
expect strange behaviour from a few servers if the option collides with
other experimental code. For example, NSD 2.x responds to BIND's SIT
request with RCODE 17 (BADKEY).
Hauke.
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