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

[Pieter Wuille <pieter.wuille@gmail.com>]

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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