pre-reload zone check

[Chris Buxton]

On Jul 27, 2006, at 3:53 PM, Barry Margolin wrote:

> In article <eabf9m$2fpf$1 at sf1.isc.org>, Marten Lehmann  
> <lehmann at cnm.de>
> wrote:
>
>> Hello,
>>
>> since BIND is very strict and refuses to serve complete zones if
>> something isn't correct in there, I would like to do a test on a
>> zonefile before I'm reloading BIND, so the zone doesn't go offline in
>> case of an error. How can I do this? Or is there a way to tell  
>> BIND to
>
> named-checkzone
>
>> serve at least those entries of a zone that are fine, so only certain
>> entries aren't available, but not the whole zone?
>
> That's usually what it does.  It also makes itself non- 
> authoritative, so
> slave servers won't transfer the busted zone, they'll continue to  
> serve
> the old version.

That statement is true of BIND 8, but not of BIND 9. It also  
represents non-standard behavior; the RFC's state that if a zone  
contains a mistake, the entire zone should be rejected by the name  
server.

Chris Buxton
Men & Mice