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Re: [opennic-discuss] Alternatives to BIND?

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  • From: webmaster AT
  • To: discuss AT
  • Subject: Re: [opennic-discuss] Alternatives to BIND?
  • Date: Wed, 10 Apr 2013 23:55:44 +0000
  • Importance: Normal
  • Sensitivity: Normal

I was only talking about the recursor. Pdns is split into two separate
servers, an authoritative name server (which can slave zones) and a recursor.
They are usually used in conjunction.

The authoritative server is popular because of the multiple backends it
supports. You can technically run any backend you want and run it through

Sent from my BlackBerry® smartphone on O2

-----Original Message-----
From: Jeff Taylor <shdwdrgn AT>
Sender: discuss-request AT
Date: Wed, 10 Apr 2013 17:20:13
To: <discuss AT>
Reply-To: discuss AT
Subject: Re: [opennic-discuss] Alternatives to BIND?

The problem with that method is that it offloads a lot of recursive work
to the tier-1 servers, especially if you keep a very small cache size.
And if by chance you don't have *any* caching set up, a ddos on your
tier-2 would also ddos the tier-1 it was querying for answers.

I'm not sure how you consider powerDNS to be a robust solution if it
isn't able to slave a zone? Sounds more like a repeater rather than an
actual DNS solution?

On 04/10/2013 04:05 PM, webmaster AT wrote:
> Exactly correct.
> If you want to run a T2 on bind, you just set your server up to slave the
> opennic root zone. You can't do that on pdns. So you have to use the hint
> method, which essentially just tells your pdns recursor to use the opennic
> root servers.

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