BIND9 maximal zone file

Mark Andrews Mark_Andrews at
Wed Nov 23 13:34:13 UTC 2005

> On Wed, Nov 23, 2005 at 08:38:16PM +0800,
>  Li Bin, SLC COM CD/MN R&D SE (BJ) <bin_li at> wrote 
>  a message of 27 lines which said:
> > becuase according ENUM schema, it should have a separete zone for
> > every E.164 number
> I'm not an ENUM expert but I wonder where you've found that strange
> rule. There is a *domain* for each E164 number but a *zone* per
> number, no, I find it hard to believe.
> > assume BIND support more than those 1 million zone files,
> Whatever the response here (except if it comes from Mark Andrews :-)
> do not blindly accept it: test. Write a program which generates a
> named.conf with one million zones and see what happens. This is sound
> engineering practice, by the way and not BIND-specific: do not blindly
> trust theoretical analysis, test.

	The answer is "as much as the hardware can support".
	There are no arbitary limits.

Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at

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