Problem with Secondary systems with many zones

Sebastian Castro Avila secastro at
Mon Dec 13 22:45:00 UTC 2004

On Tue, 14 Dec 2004 08:30:16 -0500, Barry Margolin <barmar at>  

>> I am actually shocked that Bind is not made for this volume of  
>> domains.  But I
>> guess the root name server have very few domains.
>> What is a suggested number of domains that Bind can handle?  20k?
> The part of my response that you snipped mentioned that we hosted over
> 30k domains.

Only to give you a number, we handle 43K zones using  BIND 9.
Probably the zone number is not the problem. May be you should tune some  
parameters of the config file to handle the large number of zone  
transfers, for example.

Best Regards.
Sebastian E. Castro Avila             sebastian at
Administrador de DNS, NIC Chile
Fono: (2) 9407705                  Fax  : (2) 9407701

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