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From: Matt Whitlock <bip@mattwhitlock•name>
To: Andreas Schildbach <andreas@schildbach•de>
Cc: bitcoin-development@lists•sourceforge.net
Subject: Re: [Bitcoin-development] DNS seeds unstable
Date: Fri, 16 May 2014 12:46:14 -0400	[thread overview]
Message-ID: <13362447.xaWDMWIYTF@crushinator> (raw)
In-Reply-To: <ll5ems$6pt$1@ger.gmane.org>

Is Peter Todd's server actually up? The Google public DNS resolver at 8.8.8.8 can't resolve testnet-seed.bitcoin.petertodd.org either (SERVFAIL).


On Friday, 16 May 2014, at 6:34 pm, Andreas Schildbach 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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> 
> 
> 
> ------------------------------------------------------------------------------
> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
> Instantly run your Selenium tests across 300+ browser/OS combos.
> Get unparalleled scalability from the best Selenium testing platform available
> Simple to use. Nothing to install. Get started now for free."
> http://p.sf.net/sfu/SauceLabs
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> https://lists.sourceforge.net/lists/listinfo/bitcoin-development



  reply	other threads:[~2014-05-16 16:46 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-15 11:50 Andreas Schildbach
2014-05-15 17:17 ` Drak
2014-05-15 17:41 ` Jeff Garzik
2014-05-15 17:48 ` Gregory Maxwell
2014-05-16  9:15   ` Andreas Schildbach
2014-05-16 14:09     ` Mike Hearn
2014-05-15 18:05 ` Luke Dashjr
2014-05-16 16:34 ` Andreas Schildbach
2014-05-16 16:46   ` Matt Whitlock [this message]
2014-05-16 16:46   ` Laszlo Hanyecz
2014-05-16 17:07     ` Alex Kotenko
2014-05-16 22:02       ` Jeff Garzik
2014-05-17  0:58         ` Alex Kotenko
2014-05-17 11:39           ` Andreas Schildbach
2014-05-17 12:02             ` Alex Kotenko
2014-05-17 12:39               ` Andreas Schildbach
2014-05-19 20:14                 ` Alex Kotenko
2014-05-19 20:22                   ` Michael Wozniak
2014-05-19 20:38                     ` Alex Kotenko
2014-05-19 20:36                   ` Robert McKay
2014-05-19 23:49                     ` Jeff Garzik
2014-05-20  0:44                       ` Robert McKay
2014-05-20  0:50                         ` Robert McKay
2014-05-21  9:23                           ` Alex Kotenko
2014-05-21 11:03                             ` Andreas Schildbach
2014-05-21 11:10                               ` Alex Kotenko
2014-05-21 11:26                                 ` Andreas Schildbach
     [not found]                                   ` <537DBC3C.4090907@schildbach.de>
2014-06-11 13:57                                     ` Alex Kotenko
2014-06-11 14:24                                       ` Andreas Schildbach
2014-05-20  0:45                       ` Michael Wozniak
2014-05-16 17:17   ` Rob Golding
2014-05-16 17:34     ` Nick Simpson
2014-05-16 21:46     ` Luke Dashjr
2014-05-16 18:53 ` Matt Corallo
2014-05-16 19:43   ` Andreas Schildbach
     [not found]   ` <8ADB6ABE-371C-4F4A-A003-F6751B01A12F@heliacal.net>
     [not found]     ` <53766148.1000708@bluematt.me>
2014-05-17  1:06       ` Matt Corallo

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