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From Janne Jalkanen <Janne.Jalka...@ecyrd.com>
Subject Re: DNS back online
Date Fri, 04 Mar 2011 13:24:53 GMT

It takes a while to replicate; one of the key components of yesterday's multifail was that
I didn't get any advance warning, and the TTL on jspwiki.org is 24 hours... Normally I would've
dropped it a day or so before to 3600 seconds or shorter so that the changeover would be smooth.

Based on that response, it looks like it still takes ~20kiloseconds before your DNS is refreshed.

/Janne

On Mar 4, 2011, at 13:50 , Jim Willeke wrote:

> What I see:
> ; <<>> DiG 9.6.0-APPLE-P2 <<>> jspwiki.org
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 10002
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
> 
> ;; QUESTION SECTION:
> ;jspwiki.org. IN A
> 
> ;; ANSWER SECTION:
> jspwiki.org. 3445 IN A 87.108.86.68
> 
> ;; Query time: 54 msec
> ;; SERVER: 192.168.1.1#53(192.168.1.1)
> ;; WHEN: Fri Mar  4 06:38:44 2011
> ;; MSG SIZE  rcvd: 45
> 
> 
> ; <<>> DiG 9.6.0-APPLE-P2 <<>> www.jspwiki.org
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 54841
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0
> 
> ;; QUESTION SECTION:
> ;www.jspwiki.org. IN A
> 
> ;; ANSWER SECTION:
> www.jspwiki.org. 20692 IN CNAME dusk.jspwiki.org.
> dusk.jspwiki.org. 20692 IN A 193.64.5.121
> 
> ;; Query time: 54 msec
> ;; SERVER: 192.168.1.1#53(192.168.1.1)
> ;; WHEN: Fri Mar  4 06:44:28 2011
> ;; MSG SIZE  rcvd: 68
> 
> 
> curl --trace-ascii debugdump.txt http://www.jspwiki.org/
> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "
> http://www.w3.org/TR/html4/loose.dtd">
> <HTML><HEAD><META HTTP-EQUIV="Content-Type" CONTENT="text/html;
> charset=iso-8859-1">
> <TITLE>ERROR: The requested URL could not be retrieved</TITLE>
> <STYLE
> type="text/css"><!--BODY{background-color:#ffffff;font-family:verdana,sans-serif}PRE{font-family:sans-serif}--></STYLE>
> </HEAD><BODY>
> <H1>ERROR</H1>
> <H2>The requested URL could not be retrieved</H2>
> <HR noshade size="1px">
> <P>
> While trying to retrieve the URL:
> <A HREF="http://www.jspwiki.org/">http://www.jspwiki.org/</A>
> <P>
> The following error was encountered:
> <UL>
> <LI>
> <STRONG>
> Connection to 193.64.5.121 Failed
> </STRONG>
> </UL>
> 
> <P>
> The system returned:
> <PRE><I>    (110) Connection timed out</I></PRE>
> 
> <P>
> The remote host or network may be down.  Please try the request again.
> <P>Your cache administrator is <A HREF="mailto:webmaster">webmaster</A>.
> 
> <BR clear="all">
> <HR noshade size="1px">
> <ADDRESS>
> Generated Fri, 04 Mar 2011 11:48:10 GMT by swwilleke (squid/2.7.STABLE9)
> </ADDRESS>
> </BODY></HTML>
> 
> 
> -jim
> Jim Willeke
> 
> 
> On Thu, Mar 3, 2011 at 5:20 PM, Janne Jalkanen <jalkanen@gmail.com> wrote:
> 
>> Folks,
>> 
>> looks like jspwiki.org is back among the living.  Let me know if there are
>> any further problems.
>> 
>> /Janne


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