[dns-operations] Domain Name System without Root Servers

Daniel Karrenberg dfk at ripe.net
Tue Oct 3 01:18:53 UTC 2017



On 02/10/2017 17:11, Evan Hunt wrote:
> On Mon, Oct 02, 2017 at 11:52:42PM +0000, Wessels, Duane wrote:
>> Daniel Karrenberg just gave a very interesting/terrifying presentation at
>> DNS-OARC about root priming:
>>
>> https://indico.dns-oarc.net/event/27/session/5/contribution/21
>>
>> My point being that this stuff never actually works the way we think its
>> supposed to...
> 
> Coincidentally, we spotted a bug in BIND a few weeks ago which I suspect
> is a major contributor to this.  (I should probably have said something
> from the mic about it, but I hadn't looked closely at the problem yet and
> didn't want to get it wrong. I did speak to Daniel about it over lunch.)
> 
> For the past several years, BIND has been failing to cache root-server
> addresses correctly, so it ends up sending priming queries almost every
> time it looks up a TLD.  I fixed it last night, it's in our engineering
> review process now.

Evan,

thanks for that. It made the talk worthwhile. ;-)
Please let me know when the fixed bind hits the streets. I'd like to
measure again.

Daniel



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