[dns-operations] is www.qq.com a zone?

Tobias S. Josefowitz t.josefowitz at gmail.com
Fri Jul 1 12:22:33 UTC 2016


On Fri, Jul 1, 2016 at 5:34 AM,  <yhpeng at orange.fr> wrote:
> Hi,
>
> I was just not sure, I saw it does have NS defined as dig below.
> But `dig www.qq.com ns` and `dig www.qq.com soa` got nothing.

They have weird things going on over there for quite a while (I
discovered the following first years ago:).

$ host -v -t A www.qq.com. ns-os1.qq.com.
Trying "www.qq.com"
Using domain server:
Name: ns-os1.qq.com.
Address: 103.7.30.238#53
Aliases:

;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 48745
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;www.qq.com.                    IN      A

;; ANSWER SECTION:
www.qq.com.             300     IN      CNAME   qq.com.edgesuite.net.

Received 62 bytes from 103.7.30.238#53 in 351 ms

$ host -v -t AAAA www.qq.com. ns-os1.qq.com.
Trying "www.qq.com"
Using domain server:
Name: ns-os1.qq.com.
Address: 103.7.30.238#53
Aliases:

;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 21801
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;www.qq.com.                    IN      AAAA

;; ANSWER SECTION:
www.qq.com.             300     IN      AAAA    240e:e1:8100:28::2:16

Received 56 bytes from 103.7.30.238#53 in 346 ms

Or in other words, they just don't subscribe to the typical semantics.
It makes no sense to try to apply common DNS concepts to qq.com. :)



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