Re: octave.org down?

[Wolfgang Schechinger]

-------- Original-Nachricht --------
> Datum: Tue, 23 Sep 2008 10:14:13 -0400
> Von: "John W. Eaton" <address@hidden>
> An: Carlo de Falco <address@hidden>
> CC: address@hidden
> Betreff: octave.org down?

> On 23-Sep-2008, Carlo de Falco wrote:
> 
> | http://www.octave.org just redirects to a place-holder page
> | with various ads today...
> 
> It appears to be a DNS server problem.  See below for a copy of my
> inquiry to the people who run the server that handles www.octave.org.
> 
> You can still reach the site using the address
> 
>   http://www.gnu.org/software/octave
> 
> jwe
> 
> 
>   Subject: www.octave.org redirect problem
>   From: "John W. Eaton" <address@hidden>
>   To: [...]
>   Cc: "John W. Eaton" <address@hidden>
>   Date: Tue, 23 Sep 2008 10:03:26 -0400
> 
>   This morning I am seeing some strange things with www.octave.org.
> 
>   Looking at http://www.octave.org sometimes redirects to a page with
>   advertisements instead of redirecting to the actual Octave web pages
>   at http://www.gnu.org/software/octave (I just have a simple .htaccess
>   file on vhost that handles the redirect).
> 
>   When I try looking up www.octave.org, I sometimes see things like this:
> 
>     $ host www.octave.org
>     www.octave.org has address 74.126.19.162
>     www.octave.org has address 74.126.19.160
>     www.octave.org is an alias for vhost.cae.wisc.edu.
>     www.octave.org is an alias for vhost.cae.wisc.edu.
>     vhost.cae.wisc.edu mail is handled by 0 mail.cae.wisc.edu.
> 
>   or:
> 
>     $ host www.octave.org
>     www.octave.org has address 74.126.19.162
>     www.octave.org has address 74.126.19.160
> 
>     $ host www.octave.org
>     www.octave.org is an alias for vhost.cae.wisc.edu.
>     vhost.cae.wisc.edu has address 144.92.13.94
>     vhost.cae.wisc.edu mail is handled by 0 mail.cae.wisc.edu.
> 
>     $ host www.octave.org
>     www.octave.org is an alias for vhost.cae.wisc.edu.
>     vhost.cae.wisc.edu has address 144.92.13.94
>     vhost.cae.wisc.edu mail is handled by 0 mail.cae.wisc.edu.
> 
>   I don't know where these numeric addresses are coming from.  I am
>   performing this lookup from outside the UW domain.  My nameservers are
> 
>     nameserver 65.24.7.10
>     nameserver 65.24.7.11
> 
>   Pinging www.octave.org returned this:
> 
>     $ ping www.octave.org
>     PING www.octave.org (74.126.19.160) 56(84) bytes of data.
>     64 bytes from 74.126.19.160.static.a2webhosting.com (74.126.19.160):
> icmp_seq=1 ttl=46 time=42.9 ms
>     64 bytes from 74.126.19.160.static.a2webhosting.com (74.126.19.160):
> icmp_seq=2 ttl=46 time=38.5 ms
>     64 bytes from 74.126.19.160.static.a2webhosting.com (74.126.19.160):
> icmp_seq=3 ttl=46 time=40.4 ms
>     64 bytes from 74.126.19.160.static.a2webhosting.com (74.126.19.160):
> icmp_seq=4 ttl=46 time=38.0 ms
> 
>   I am apparently not the only one seeing this problem, as I was first
>   alerted to it by an Octave user in Italy.
> 
>   Ah, here is some additional DNS information:
> 
>     $ host -a www.octave.org
>     Trying "www.octave.org"
>     ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 5914
>     ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 4, ADDITIONAL: 4
> 
>     ;; QUESTION SECTION:
>     ;www.octave.org.                        IN      ANY
> 
>     ;; ANSWER SECTION:
>     www.octave.org.         14343   IN      A       74.126.19.160
>     www.octave.org.         14343   IN      A       74.126.19.162
> 
>     ;; AUTHORITY SECTION:
>     octave.org.             85612   IN      NS      dns1.cae.wisc.edu.
>     octave.org.             85612   IN      NS      ns03.sbusiness.net.
>     octave.org.             85612   IN      NS      ns04.sbusiness.net.
>     octave.org.             85612   IN      NS      dns2.cae.wisc.edu.
> 
>     ;; ADDITIONAL SECTION:
>     ns04.sbusiness.net.     13612   IN      A       74.126.19.162
>     ns04.sbusiness.net.     13612   IN      A       207.189.119.29
>     dns2.cae.wisc.edu.      11394   IN      A       128.104.201.24
>     dns1.cae.wisc.edu.      14226   IN      A       144.92.12.24
> 
>     Received 229 bytes from 65.24.7.10#53 in 21 ms
> 
>   and
> 
>     $ host www.octave.org ns03.sbusiness.net
>     Using domain server:
>     Name: ns03.sbusiness.net
>     Address: 74.126.19.162#53
>     Aliases: 
> 
>     www.octave.org has address 74.126.19.162
>     www.octave.org has address 74.126.19.160
> 
>   This result is repeatable, while the wisc.edu nameservers are
>   consistently returning the correct vhost.cae.wisc.edu result.
> 
>   So it looks like the sbusiness.net nameservers are causing the
>   trouble.  I don't think they should even be in there.
> 
>   Do you know why this is happening?  How to go about fixing it?
> 
>   Thanks,
> 
>   jwe
> _______________________________________________
> Help-octave mailing list
> address@hidden
> https://www-old.cae.wisc.edu/mailman/listinfo/help-octave

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