Register.com DNS hosting issues

Clinton Popovich crpopovi at nauticom.net
Fri Apr 3 15:15:32 CDT 2009


Actually I found out prolexic is a DDos filter. We fixed the issue by
routing their DNS traffic out another backbone, so far so good.

-----Original Message-----
From: Paul Ferguson [mailto:fergdawgster at gmail.com] 
Sent: Friday, April 03, 2009 4:11 PM
To: Clinton Popovich
Cc: nanog at nanog.org
Subject: Re: Register.com DNS hosting issues

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On Fri, Apr 3, 2009 at 12:52 PM, Clinton Popovich <crpopovi at nauticom.net>
wrote:

>
> Looks like a routing issue to their DNS servers from here.
>
> traceroute to DNS020.C.REGISTER.COM (216.21.235.20), 64 hops max, 40 byte
> packets
>  1  c28.134.nauticom.net (209.195.134.28)  0.778 ms  0.894 ms  0.829 ms
>  2  10.11.11.9 (10.11.11.9)  1.010 ms  0.799 ms  0.829 ms
>  3  c246.134.nauticom.net (209.195.134.246)  1.271 ms  1.379 ms  1.350 ms
>  4  207.88.183.141.ptr.us.xo.net (207.88.183.141)  84.817 ms  7.764 ms
> 7.699 ms
>  5  65.106.3.185.ptr.us.xo.net (65.106.3.185)  7.606 ms  7.634 ms  7.504
> ms
>  6  206.111.0.54.ptr.us.xo.net (206.111.0.54)  31.458 ms  28.509 ms
> 20.199 ms
>  7  Vlan424.icore1.MLN-Miami.as6453.net (66.110.9.13)  48.740 ms  36.118
> ms 36.211 ms
>  8  ix-6-2.icore1.MLN-Miami.as6453.net (66.110.9.54)  36.328 ms  36.851
> ms 36.334 ms
>  9  * * *
> 10  blackhole.prolexic.com (209.200.132.42)  36.127 ms  36.136 ms  36.298
> ms 11  *
>

Notice:

 blackhole.prolexic.com

blackhole =! routing issue   or blackhole = routing issue

Technically, both are correct. :-)

- - ferg

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-- 
"Fergie", a.k.a. Paul Ferguson
 Engineering Architecture for the Internet
 fergdawgster(at)gmail.com
 ferg's tech blog: http://fergdawg.blogspot.com/





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