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From: Michael Wozniak <mw@osfda.org>
In-Reply-To: <CAJHLa0O_F3MJc1KJJn+L6AjT-wa8sPunibb4rfWGGUWYSOkVOg@mail.gmail.com>
Date: Mon, 19 May 2014 20:45:55 -0400
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To: Jeff Garzik <jgarzik@bitpay.com>
Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] DNS seeds unstable
Precedence: list

You would set it up as a forwarder, not as a zone transfer to bind.  =
That should proxy the request every time and only cache based on any TTL =
that=92s set in the response.

Here=92s an example of how it could work:
=
https://planet.jboss.org/post/setting_up_a_forwarding_dns_server_or_dns_pr=
oxy_with_isc_bind


On May 19, 2014, at 7:49 PM, Jeff Garzik <jgarzik@bitpay.com> wrote:

> On Mon, May 19, 2014 at 4:36 PM, Robert McKay <robert@mckay.com> =
wrote:
>> It should be possible to configure bind as a DNS forwarder.. this can
>> be done in a zone context.. then you can forward the different zones =
to
>> different dnsseed daemons running on different non-public IPs or two
>> different ports on the same IP (or on one single non-public IP since
>> there's really no reason to expose the dnsseed directly daemon at =
all).
>=20
> Quite the opposite.  dnsseed data rotates through a lot of addresses
> if available.  Using the bind/zone-xfer system would result in fewer
> total addresses going through to the clients, thanks to the addition
> of caching levels that the bind/zone-xfer system brings.
>=20
> That said, if the choice is between no-service and bind, bind it is ;p
>=20
> --=20
> Jeff Garzik
> Bitcoin core developer and open source evangelist
> BitPay, Inc.      https://bitpay.com/
>=20
> =
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