[Bitcoin-development] DNS seeds unstable

[Alex Kotenko]

Ok, what do I need to do? How do I host a testnet seed myself?

Best regards,
Alex Kotenko


2014-05-16 23:02 GMT+01:00 Jeff Garzik <jgarzik at bitpay.com>:

> There are only two testnet seeds listed in bitcoind, and one of them
> returns SERVFAIL (testnet-seed.bitcoin.petertodd.org) and the other
> just returns one A record (testnet-seed.bluematt.me).  No idea what
> seeds bitcoinj uses.
>
> If you are going to depend on testnet, especially for an important
> demo... contribute to the infrastructure!  This stuff doesn't just fix
> itself for free.
>
>
>
>
> On Fri, May 16, 2014 at 7:07 PM, Alex Kotenko <alexykot at gmail.com> wrote:
> > Hi guys
> >
> >
> > Just wanted to let you know that Andreas' testnet Bitcoin Wallet doesn't
> > work because of fail in the peer discovery, and this caused us problems
> as
> > we cannot properly demonstrate my XBTerminal POS on the Bitcoin
> Conference.
> >
> > Right now I'm booting up an own full node that I will set as trusted
> peer in
> > the Wallet settings, hopefully this will work. However this DNS discovery
> > problem is really a problem, even for testnet. Btw, I had problems
> firing up
> > the full bitcoind node also, of the same reason - discovery failed. I
> had to
> > ask Andreas to paste me his node list to manually seed the nodelist.
> >
> > So I've set up and will run a well connected testnet node, as we need it
> for
> > the XBTerminal.
> > Please let me know if I can somehow help to fix the DNS discovery issue
> > also.
> >
> >
> > Best regards,
> > Alex Kotenko
> >
> >
> > 2014-05-16 17:46 GMT+01:00 Laszlo Hanyecz <laszlo at heliacal.net>:
> >
> >> It looks like it might be firewalled, probably just need to fix the ACL
> in
> >> EC2.
> >>
> >> -Laszlo
> >>
> >> On May 16, 2014, at 4:34 PM, Andreas Schildbach <andreas at schildbach.de>
> >> wrote:
> >>
> >> > Apparently British Telecom also cannot speak to Peter Todd's server.
> >> >
> >> > That another very large ISP in Europe.
> >> >
> >> >
> >> > On 05/15/2014 01:50 PM, Andreas Schildbach wrote:
> >> >> I'm bringing this issue up again. The current Bitcoin DNS seed
> >> >> infrastructure is unstable. I assume this is because of we're using a
> >> >> custom DNS implementation which is not 100% compatible. There have
> been
> >> >> bugs in the past, like a case sensitive match for the domain name.
> >> >>
> >> >> Current state (seeds taken from bitcoinj):
> >> >>
> >> >> mainnet:
> >> >>
> >> >> seed.bitcoin.sipa.be                 OK
> >> >> dnsseed.bluematt.me                  OK
> >> >> dnsseed.bitcoin.dashjr.org           SERVFAIL, tried multiple ISPs
> >> >> seed.bitcoinstats.com                        OK
> >> >>
> >> >> testnet:
> >> >>
> >> >> testnet-seed.bitcoin.petertodd.org   SERVFAIL, just from Telefonica
> >> >> testnet-seed.bluematt.me             OK (but only returns one node)
> >> >>
> >> >> Note: Telefonica is one of Europe's largest ISPs.
> >> >>
> >> >> I would try to improve DNS myself, but I'm not capable of writing C.
> My
> >> >> "fix" would be to reimplement everything in Java -- I doubt you guys
> >> >> would be happy with that.
> >> >>
> >> >>
> >> >>
> >> >>
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> >> >
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>
>
> --
> Jeff Garzik
> Bitcoin core developer and open source evangelist
> BitPay, Inc.      https://bitpay.com/
>
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