There&#39;s no project currently :-) <div><br></div><div>Starting from Matts code is probably the way to go. It&#39;s written in PHP. Alternatively, you could write a Java app for it, as there are drop-in DNS serving libraries you could link with BitCoinJ+sqlite. It probably wouldn&#39;t be that hard. You&#39;d want to sort nodes by version, how long they&#39;ve been observed to exist, the last polling time, etc.</div>
<div><br><div class="gmail_quote">On Wed, Aug 3, 2011 at 4:00 PM, Rick Wesson <span dir="ltr">&lt;<a href="mailto:rick@support-intelligence.com">rick@support-intelligence.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Mike,<div><br></div><div>I think I can contribute to your DNS seeding project. Could you help define long-lived peers? </div><div><br></div><div>-rick</div><div><br><br><div class="gmail_quote"><div><div></div><div class="h5">
On Wed, Aug 3, 2011 at 3:04 AM, Mike Hearn <span dir="ltr">&lt;<a href="mailto:mike@plan99.net" target="_blank">mike@plan99.net</a>&gt;</span> wrote:<br>
</div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div></div><div class="h5">This is expected to happen from time to time of course as it&#39;s inherently racy, but there are a <i>lot</i> of bad nodes appearing in the DNS seeds.<div>

<br></div><div><div><div><font face="&#39;courier new&#39;, monospace">$ nmap -oG /tmp/x -p 8333 `dig +short <a href="http://bitseed.bitcoin.org.uk" target="_blank">bitseed.bitcoin.org.uk</a> <a href="http://dnsseed.bluematt.me" target="_blank">dnsseed.bluematt.me</a> <a href="http://bitseed.xf2.org" target="_blank">bitseed.xf2.org</a>`</font></div>


</div></div><div><font face="&#39;courier new&#39;, monospace">...</font></div><div><div><font face="&#39;courier new&#39;, monospace">Nmap done: 48 IP addresses (25 hosts up) scanned in 9.80 seconds</font></div>
</div><div><font face="&#39;courier new&#39;, monospace"><br></font></div><div><font face="&#39;courier new&#39;, monospace">$ grep -c &#39;closed&#39; /tmp/x</font></div>
<div><font face="&#39;courier new&#39;, monospace">6<br></font><br></div><div>So of 48 IPs returned only 19 are actually usable. This is slowing down peer bringup for the Android apps, which don&#39;t currently save the addresses of last-used peers (yes, I know we should fix this).</div>


<div><br></div><div>I was talking to a friend a few days ago about Bitcoin, he seemed interested. I&#39;m hoping he might take on DNS seeding as a project. A custom DNS server that watches the network to find long-lived peers that run the latest version would be helpful for resolving this kind of thing.</div>


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