How to find out DNS Server version ?

[Tibo]

Tibo a écrit :
> Hello !
> 
> I have a little problem :
> 
> We have 4 little datacenters over the world.
> I would like to check if all DNS servers are up to date but only people
> responsible of a datacenter can access their servers for security reasons.
> I know some tools on the net can do that but it's not easy for me and
> I'd like to automatise all of that.
> 
> I try with fingerprint (fpdns) but answer is always :
> "BIND 9.2.3rc1 -- 9.4.0a0."
> 
> Do you have any solutions for me ?
> 
> Thanks in advance,
> 
> Thibaut

I think I found it : fpdns -f NAMESERVER

Is it always OK ?