IPv6 issues

Stefan Puiu stefan.puiu at gmail.com
Wed Aug 31 14:38:54 UTC 2005


http://www.rfc.se/fpdns/
I remember there was some discussion about this some time ago, it's in the 
archives. For more recent versions (post 9.2.3) I believe you only get 
something like 'BIND 9.2.3rc1 -- 9.4.0a0 [recursion enabled]'. At least with 
the version I tried, it might be out of date. 

On 8/31/05, Kvetch <kvetch at gmail.com> wrote:
> 
> Do you know of a way to probe (scan) a DNS server to determine what 
> version
> of BIND they are running? I thought I might be able to do it with netcat 
> but
> I am not getting any readable responses back when I test on our DNS 
> servers.
> 
> Thanks so much,
> Nick
> 
> On 8/30/05, Mark Andrews <Mark_Andrews at isc.org> wrote:
> >
> >
> >
> > I suspect it is a bit of both. You have TTLs of 5 minutes
> > which is causing the caches to continually go back to the
> > parent zones. They most probably are running old versions
> > of BIND 9 that have to timeout on the IPv6 addresses of the
> > COM/NET servers.
> >
> > The timeout problem is fixed (except for one OS and we are
> > working with the OS manufacture to address the problem, the IP
> > stack needs changes made to it) as of BIND 9.2.5 / BIND 9.3.1.
> >
> > Mark
> >
> > Mark Andrews, ISC
> > 1 Seymour St., Dundas Valley, NSW 2117, Australia
> > PHONE: +61 2 9871 4742 INTERNET: Mark_Andrews at isc.org
> >
> 
> 
>



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