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References: <20140523221726.GA30143@petertodd.org> <lltfaa$2lv$1@ger.gmane.org>
Date: Sun, 25 May 2014 21:02:17 +0100
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To: Andreas Schildbach <andreas@schildbach.de>
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Cc: bitcoin-development@lists.sourceforge.net
Subject: Re: [Bitcoin-development] testnet-seed.bitcoin.petertodd.org is up
	again
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Works fine for me


; <<>> DiG 9.8.1-P1 <<>> ANY testnet-seed.bitcoin.petertodd.org
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 40809
;; flags: qr rd ra; QUERY: 1, ANSWER: 22, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;testnet-seed.bitcoin.petertodd.org. IN ANY

;; ANSWER SECTION:
testnet-seed.bitcoin.petertodd.org. 40000 IN NS
testnet-seed-ns1.bitcoin.petertodd.org.
testnet-seed.bitcoin.petertodd.org. 40000 IN SOA
testnet-seed-ns1.bitcoin.petertodd.org. root. 1401048038 604800 86400
2592000 604800
testnet-seed.bitcoin.petertodd.org. 60 IN A     54.208.21.132
testnet-seed.bitcoin.petertodd.org. 60 IN A     5.9.119.49
testnet-seed.bitcoin.petertodd.org. 60 IN A     54.221.156.77
testnet-seed.bitcoin.petertodd.org. 60 IN A     37.34.60.19
testnet-seed.bitcoin.petertodd.org. 60 IN A     46.105.173.28
testnet-seed.bitcoin.petertodd.org. 60 IN A     95.78.127.77
testnet-seed.bitcoin.petertodd.org. 60 IN A     208.111.49.42
testnet-seed.bitcoin.petertodd.org. 60 IN A     94.102.53.181
testnet-seed.bitcoin.petertodd.org. 60 IN A     85.153.13.35
testnet-seed.bitcoin.petertodd.org. 60 IN A     85.25.198.97
testnet-seed.bitcoin.petertodd.org. 60 IN A     217.46.198.163
testnet-seed.bitcoin.petertodd.org. 60 IN A     192.187.125.226
testnet-seed.bitcoin.petertodd.org. 60 IN A     37.187.40.137
testnet-seed.bitcoin.petertodd.org. 60 IN A     37.187.179.66
testnet-seed.bitcoin.petertodd.org. 60 IN A     93.93.135.12
testnet-seed.bitcoin.petertodd.org. 60 IN A     144.76.175.228
testnet-seed.bitcoin.petertodd.org. 60 IN A     74.207.241.92
testnet-seed.bitcoin.petertodd.org. 60 IN A     85.17.26.225
testnet-seed.bitcoin.petertodd.org. 60 IN A     148.251.11.118
testnet-seed.bitcoin.petertodd.org. 60 IN A     137.117.202.26

;; Query time: 569 msec
;; SERVER: 109.74.194.20#53(109.74.194.20)
;; WHEN: Sun May 25 21:00:35 2014
;; MSG SIZE  rcvd: 443



On 25 May 2014 20:12, Andreas Schildbach <andreas@schildbach.de> wrote:

> Thanks for looking at the issue.
>
> Unfortunately, it still fails for me:
>
> $ nslookup testnet-seed.bitcoin.petertodd.org
> Server:         127.0.1.1
> Address:        127.0.1.1#53
>
> ** server can't find testnet-seed.bitcoin.petertodd.org: SERVFAIL
>
> Like I said, can you look at the logfiles how the requests arrive?
>
> What particular thing did you fix? It would be good to know for future
> outages.
>
>
> On 05/24/2014 12:17 AM, Peter Todd wrote:
> > FWIW
> >
> > That said, keep in mind the github discussion(1) that was had: if all
> > the DNS seeds being down breaks your application, your application is
> > broken and insecure. The only exception is initial startup, and even
> > then you should have fallbacks such as hardcoded node lists and manual
> > peer entry. If for some reason you really do need instant startup, run
> > your own centralized high-availability/low-latency nodes; either way
> > you're depending on a centralized resource.
> >
> > 1) https://github.com/bitcoin/bitcoin/pull/4203
>
>
>
>
> ------------------------------------------------------------------------------
> "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
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> _______________________________________________
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> Bitcoin-development@lists.sourceforge.net
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>

--e89a8f3bb03d8bae9904fa3ef048
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Works fine for me<div><br></div><div><div><br></div><div>;=
 &lt;&lt;&gt;&gt; DiG 9.8.1-P1 &lt;&lt;&gt;&gt; ANY <a href=3D"http://testn=
et-seed.bitcoin.petertodd.org">testnet-seed.bitcoin.petertodd.org</a></div>=
<div>
;; global options: +cmd</div><div>;; Got answer:</div><div>;; -&gt;&gt;HEAD=
ER&lt;&lt;- opcode: QUERY, status: NOERROR, id: 40809</div><div>;; flags: q=
r rd ra; QUERY: 1, ANSWER: 22, AUTHORITY: 0, ADDITIONAL: 0</div><div><br>
</div><div>;; QUESTION SECTION:</div><div>;<a href=3D"http://testnet-seed.b=
itcoin.petertodd.org">testnet-seed.bitcoin.petertodd.org</a>. IN ANY</div><=
div><br></div><div>;; ANSWER SECTION:</div><div><a href=3D"http://testnet-s=
eed.bitcoin.petertodd.org">testnet-seed.bitcoin.petertodd.org</a>. 40000 IN=
 NS <a href=3D"http://testnet-seed-ns1.bitcoin.petertodd.org">testnet-seed-=
ns1.bitcoin.petertodd.org</a>.</div>
<div><a href=3D"http://testnet-seed.bitcoin.petertodd.org">testnet-seed.bit=
coin.petertodd.org</a>. 40000 IN SOA <a href=3D"http://testnet-seed-ns1.bit=
coin.petertodd.org">testnet-seed-ns1.bitcoin.petertodd.org</a>. root. 14010=
48038 604800 86400 2592000 604800</div>
<div><a href=3D"http://testnet-seed.bitcoin.petertodd.org">testnet-seed.bit=
coin.petertodd.org</a>. 60 IN A =C2=A0 =C2=A0 54.208.21.132</div><div><a hr=
ef=3D"http://testnet-seed.bitcoin.petertodd.org">testnet-seed.bitcoin.peter=
todd.org</a>. 60 IN A =C2=A0 =C2=A0 5.9.119.49</div>
<div><a href=3D"http://testnet-seed.bitcoin.petertodd.org">testnet-seed.bit=
coin.petertodd.org</a>. 60 IN A =C2=A0 =C2=A0 54.221.156.77</div><div><a hr=
ef=3D"http://testnet-seed.bitcoin.petertodd.org">testnet-seed.bitcoin.peter=
todd.org</a>. 60 IN A =C2=A0 =C2=A0 37.34.60.19</div>
<div><a href=3D"http://testnet-seed.bitcoin.petertodd.org">testnet-seed.bit=
coin.petertodd.org</a>. 60 IN A =C2=A0 =C2=A0 46.105.173.28</div><div><a hr=
ef=3D"http://testnet-seed.bitcoin.petertodd.org">testnet-seed.bitcoin.peter=
todd.org</a>. 60 IN A =C2=A0 =C2=A0 95.78.127.77</div>
<div><a href=3D"http://testnet-seed.bitcoin.petertodd.org">testnet-seed.bit=
coin.petertodd.org</a>. 60 IN A =C2=A0 =C2=A0 208.111.49.42</div><div><a hr=
ef=3D"http://testnet-seed.bitcoin.petertodd.org">testnet-seed.bitcoin.peter=
todd.org</a>. 60 IN A =C2=A0 =C2=A0 94.102.53.181</div>
<div><a href=3D"http://testnet-seed.bitcoin.petertodd.org">testnet-seed.bit=
coin.petertodd.org</a>. 60 IN A =C2=A0 =C2=A0 85.153.13.35</div><div><a hre=
f=3D"http://testnet-seed.bitcoin.petertodd.org">testnet-seed.bitcoin.petert=
odd.org</a>. 60 IN A =C2=A0 =C2=A0 85.25.198.97</div>
<div><a href=3D"http://testnet-seed.bitcoin.petertodd.org">testnet-seed.bit=
coin.petertodd.org</a>. 60 IN A =C2=A0 =C2=A0 217.46.198.163</div><div><a h=
ref=3D"http://testnet-seed.bitcoin.petertodd.org">testnet-seed.bitcoin.pete=
rtodd.org</a>. 60 IN A =C2=A0 =C2=A0 192.187.125.226</div>
<div><a href=3D"http://testnet-seed.bitcoin.petertodd.org">testnet-seed.bit=
coin.petertodd.org</a>. 60 IN A =C2=A0 =C2=A0 37.187.40.137</div><div><a hr=
ef=3D"http://testnet-seed.bitcoin.petertodd.org">testnet-seed.bitcoin.peter=
todd.org</a>. 60 IN A =C2=A0 =C2=A0 37.187.179.66</div>
<div><a href=3D"http://testnet-seed.bitcoin.petertodd.org">testnet-seed.bit=
coin.petertodd.org</a>. 60 IN A =C2=A0 =C2=A0 93.93.135.12</div><div><a hre=
f=3D"http://testnet-seed.bitcoin.petertodd.org">testnet-seed.bitcoin.petert=
odd.org</a>. 60 IN A =C2=A0 =C2=A0 144.76.175.228</div>
<div><a href=3D"http://testnet-seed.bitcoin.petertodd.org">testnet-seed.bit=
coin.petertodd.org</a>. 60 IN A =C2=A0 =C2=A0 74.207.241.92</div><div><a hr=
ef=3D"http://testnet-seed.bitcoin.petertodd.org">testnet-seed.bitcoin.peter=
todd.org</a>. 60 IN A =C2=A0 =C2=A0 85.17.26.225</div>
<div><a href=3D"http://testnet-seed.bitcoin.petertodd.org">testnet-seed.bit=
coin.petertodd.org</a>. 60 IN A =C2=A0 =C2=A0 148.251.11.118</div><div><a h=
ref=3D"http://testnet-seed.bitcoin.petertodd.org">testnet-seed.bitcoin.pete=
rtodd.org</a>. 60 IN A =C2=A0 =C2=A0 137.117.202.26</div>
<div><br></div><div>;; Query time: 569 msec</div><div>;; SERVER: 109.74.194=
.20#53(109.74.194.20)</div><div>;; WHEN: Sun May 25 21:00:35 2014</div><div=
>;; MSG SIZE =C2=A0rcvd: 443</div></div><div><br></div></div><div class=3D"=
gmail_extra">
<br><br><div class=3D"gmail_quote">On 25 May 2014 20:12, Andreas Schildbach=
 <span dir=3D"ltr">&lt;<a href=3D"mailto:andreas@schildbach.de" target=3D"_=
blank">andreas@schildbach.de</a>&gt;</span> wrote:<br><blockquote class=3D"=
gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-=
left:1ex">
Thanks for looking at the issue.<br>
<br>
Unfortunately, it still fails for me:<br>
<br>
$ nslookup <a href=3D"http://testnet-seed.bitcoin.petertodd.org" target=3D"=
_blank">testnet-seed.bitcoin.petertodd.org</a><br>
Server: =C2=A0 =C2=A0 =C2=A0 =C2=A0 127.0.1.1<br>
Address: =C2=A0 =C2=A0 =C2=A0 =C2=A0127.0.1.1#53<br>
<br>
** server can&#39;t find <a href=3D"http://testnet-seed.bitcoin.petertodd.o=
rg" target=3D"_blank">testnet-seed.bitcoin.petertodd.org</a>: SERVFAIL<br>
<br>
Like I said, can you look at the logfiles how the requests arrive?<br>
<br>
What particular thing did you fix? It would be good to know for future<br>
outages.<br>
<div><div class=3D"h5"><br>
<br>
On 05/24/2014 12:17 AM, Peter Todd wrote:<br>
&gt; FWIW<br>
&gt;<br>
&gt; That said, keep in mind the github discussion(1) that was had: if all<=
br>
&gt; the DNS seeds being down breaks your application, your application is<=
br>
&gt; broken and insecure. The only exception is initial startup, and even<b=
r>
&gt; then you should have fallbacks such as hardcoded node lists and manual=
<br>
&gt; peer entry. If for some reason you really do need instant startup, run=
<br>
&gt; your own centralized high-availability/low-latency nodes; either way<b=
r>
&gt; you&#39;re depending on a centralized resource.<br>
&gt;<br>
&gt; 1) <a href=3D"https://github.com/bitcoin/bitcoin/pull/4203" target=3D"=
_blank">https://github.com/bitcoin/bitcoin/pull/4203</a><br>
<br>
<br>
<br>
</div></div>---------------------------------------------------------------=
---------------<br>
&quot;Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE=
<br>
Instantly run your Selenium tests across 300+ browser/OS combos.<br>
Get unparalleled scalability from the best Selenium testing platform availa=
ble<br>
Simple to use. Nothing to install. Get started now for free.&quot;<br>
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/sfu/SauceLabs</a><br>
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</blockquote></div><br></div>

--e89a8f3bb03d8bae9904fa3ef048--