How many domains can one Bind server handle??

[Mark_Andrews at isc.org]

> Hi,
> 
> Does anyone have any ideas as to what's the maximum numbers of domains could
> be safely hosted on a server running Bind 9.

	This is a bit like "how long is a piece of string".  There
	are no limits except for those imposed by the OS/hardware of
	the machine hosting the nameserver.
 
> I mean are we talking hundreds of thousands or millions, cause I see quite a
> few domain holding site have millions of domains on like 3 nameserver
> servers, where 1 is primary and the other 2 are slave/backup's. So I am
> guessing they have a HUGE named.conf file or is this sort of massive setup
> use a different configuration.

	Well we are aware of sites getting to 100,000.  I'm not aware of any
	site at a 1 million zones.

	Mark
 
> Thanks,
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org