[dns-operations] Web-based DNS Randomness Test

Duane Wessels wessels at dns-oarc.net
Wed Jul 23 15:37:49 UTC 2008



On Wed, 23 Jul 2008, Stephane Bortzmeyer wrote:

> But a MS-Windows user, testing a big ISP, reports me that it displays:
>
>
>   1. 80.12.255.136 (dns-nat-fw4-b.wanadoo.fr) appears to have UNKNOWN
> source port randomness and UNKNOWN transaction ID randomness.

wanadoo.fr seems to be sending queries from multiple source addresses,
which confuses my test.  I'm requring at least 5 queries (from a
single IP address) to make a judgement.  Less than 5 results in
UNKNOWN.

I'll see if I can make it recognize and handle this case better.

Duane W.




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