Re: [Bitcoin-development] testnet-seed.bitcoin.petertodd.org is up again

[Andreas Schildbach <andreas@schildbach.de>]

I maybe have made this suggestion in the past, but why don't we teach
the seeder (or maybe even plain bitcoind) how to write a zone file and
then use matured DNS servers to serve this zone?

I admit I never ran my own DNS so I'm not sure if that can work -- but
to me it sounds like the easiest approach plus everyone can just use
stock server software.


On 05/30/2014 05:24 PM, Pieter Wuille wrote:
> I don't think it would be too hard to add support for a option to the
> seeder "for non-matching requests, forward to other DNS server at
> IP:PORT", so you could cascade them.
> 
> On Fri, May 30, 2014 at 4:51 PM, Robert McKay <robert@mckay.com> wrote:
>> No, I don't think so. The problem is the 'aa' flag is missing (see the
>> 'flags' section in dig). Perhaps if you could suppress the authority
>> records the recursor would give up and just accept the non-authorative
>> answer, but that isn't a good solution even if it might work for some
>> resolvers.
>>
>> Rob
>>
>> On Fri, 30 May 2014 15:13:36 +0100, Alex Kotenko wrote:
>>> Hmm, you might be right, as queries
>>> dig @node.alexykot.me [8] testnet-seed.alexykot.me [9]
>>>
>>> and
>>>  dig @node.alexykot.me [10] -p 18353 testnet-seed.alexykot.me
>>> [11]
>>>
>>> are giving different authority sections.
>>>
>>> Hmm, but if I setup custom SOA record for it - it should work,
>>> right?
>>>  What SOA name should it be actually, assuming that NS record for
>>> testnet-seed.alexykot.me [12] is pointing at alexykot.me [13]?
>>>
>>> Best regards,
>>>
>>> Alex Kotenko
>>>
>>> 2014-05-30 14:41 GMT+01:00 Robert McKay :
>>>
>>>> Hi Alex,
>>>>
>>>> I think the problem is with my suggestion to use bind forwarding..
>>>> basically bind is stripping off the authorative answer bit in the
>>>> reply.. this causes the recursor to go into a loop chasing the
>>>> authority server which again returns a non-authoritve answer with
>>>> itself as the authority again. Im not sure if this can be fixed
>>>> without hacking the bind src, so maybe it wasnt such a great
>>>> suggestion in the first place. Basically I think if bind was
>>>> returning authorative answers it would work, but I cant see any way
>>>> to make that happen in the bind configuration.
>>>>
>>>> Rob
>>>>
>>>> On Fri, 30 May 2014 14:19:05 +0100, Alex Kotenko wrote:
>>>>
>>>>> Hi Peter
>>>>>
>>>>> Ive setup DNS seeds myself a week ago, at
>>>>> testnet-seed.alexykot.me [1] [6]
>>>>> and bitcoin-seed.alexykot.me [2] [7], but there is a problem with
>>>>> DNS
>>>>> settings that we with Andreas couldnt sort out quickly.
>>>>>
>>>>> The problem itself is that I can reach my nameserver and get
>>>>> dnsseed
>>>>> response if I query it directly with
>>>>>  dig @node.alexykot.me [3] [8] testnet-seed.alexykot.me [4] [9]
>>>>>
>>>>>  dig @node.alexykot.me [5] [10] bitcoin-seed.alexykot.me [6]
>>>>> [11]
>>>>>
>>>>> But when I try nslookup testnet-seed.alexykot.me [7] [12] -
>>>>> it
>>>>> fails.
>>>>> I guess the problem is in my DNS settings but I cant figure out
>>>>> what
>>>>> is it.
>>>>>
>>>>> S o could you share
>>>>> how you configured DNS
>>>>>   for your seed
>>>>> to help me debug
>>>>>  mine
>>>>> ?
>>>>>
>>>>> Best regards,
>>>>>
>>>>> Alex Kotenko
>>>>>
>>>>>
>>>
>>>
>>> Links:
>>> ------
>>> [1] http://testnet-seed.alexykot.me
>>> [2] http://bitcoin-seed.alexykot.me
>>> [3] http://node.alexykot.me
>>> [4] http://testnet-seed.alexykot.me
>>> [5] http://node.alexykot.me
>>> [6] http://bitcoin-seed.alexykot.me
>>> [7] http://testnet-seed.alexykot.me
>>> [8] http://node.alexykot.me/
>>> [9] http://testnet-seed.alexykot.me/
>>> [10] http://node.alexykot.me/
>>> [11] http://testnet-seed.alexykot.me/
>>> [12] http://testnet-seed.alexykot.me
>>> [13] http://alexykot.me
>>> [14] mailto:robert@mckay.com
>>
>>
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