about the wild record

Warren Kumari warren at kumari.net
Mon Oct 15 16:42:45 UTC 2012


On Oct 15, 2012, at 12:25 PM, Chris Thompson <cet1 at cam.ac.uk> wrote:

> On Oct 15 2012, pangj at riseup.net wrote:
> 
>> no SOA for test.cloudns.tk IMO. see:
>> 
>> PromatoMacBook-Pro:~ pro$ dig test.cloudns.tk soa
>> 
>> ; <<>> DiG 9.7.6-P1 <<>> test.cloudns.tk soa
>> ;; global options: +cmd
>> ;; Got answer:
>> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 60320
>> ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
>> 
>> ;; QUESTION SECTION:
>> ;test.cloudns.tk.		IN	SOA
>> 
>> ;; AUTHORITY SECTION:
>> cloudns.tk.		300	IN	SOA	ns0.cloudwebdns.com. support.cloudwebdns.com. 1048
>> 7200 1800 604800 300
>> 
>> ;; Query time: 860 msec
>> ;; SERVER: 211.136.192.6#53(211.136.192.6)
>> ;; WHEN: Mon Oct 15 21:13:04 2012
>> ;; MSG SIZE  rcvd: 96
>> 
>> 
>> The SOA is presented in AUTHORITY SECTION, not in ANSWER SECTION, so it's
>> meaningless.
> 
> Indeed, Warren's use of +nostats +ncomments to conceal that was
> disingenuous, to say the least.

Actually the use of +nostats +nocomments was to try not include detracting info, and I completly missed where the 
the RR showed up...

But, gee, thanks for the implication…

W


> 
> But you should notice that the above response - rcode NOERROR with
> an empty data section - is what RFC 2308 calls "NODATA", and not an
> NXDOMAIN. This is because test.cloudns.tk is an "empty non-terminal"
> in the name tree within the zone, and it is that which prevents
> *.cloudns.tk from applying to anything under it.
> 
> -- 
> Chris Thompson
> Email: cet1 at cam.ac.uk
> 

-- 
Outside of a dog, a book is your best friend, and inside of a dog, it's too dark to read 





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