Re: resolve thousands of domain names (NS,AAAA records)

[Alex D. <Al...@no...>]

Hi - 

On 20 Mar 2013, at 13:16, srnec <pet...@gm...> wrote:

> I need some advise. Im working on project where I need to get NS records for
> list of domains (aprox. 280 000) and I need to get AAAA record for those NS
> record (if they had).
> My task is to test those domains if they had IPv6 support (name servers have
> IPv6 address).
> 
> I tried to do it with dnsPython but I had bad results. Speed of that script
> was very impressive, but I had problem getting answers for those records
> after short period of time. (I got mostly timeout exception for every
> record).

Have you tried using dnsjnio? This provides an alternative I/O implementation for dnsjava, using non-blocking I/O to perform queries in just a couple of threads.

Thanks,


Alex.