RE: DNS 8.8.8.8 was down

["Gary Steers" <gary.steers () sharedband com>]

We also observed this issue...

# traceroute 8.8.8.8
traceroute to 8.8.8.8 (8.8.8.8), 30 hops max, 40 byte packets
 1  r1.ldn.uk.sharedband.net (109.68.192.1)  0.480 ms  0.515 ms  0.523 ms
 2  195.66.224.125 (195.66.224.125)  0.451 ms  0.453 ms  0.445 ms
 3  64.233.175.27 (64.233.175.27)  0.708 ms  0.702 ms 64.233.175.25 (64.233.175.25)  0.387 ms
 4  209.85.253.92 (209.85.253.92)  13.737 ms 209.85.253.90 (209.85.253.90)  1.434 ms 209.85.253.196 (209.85.253.196)  
1.010 ms
 5  72.14.232.134 (72.14.232.134)  6.553 ms 66.249.95.173 (66.249.95.173)  6.549ms 72.14.232.134 (72.14.232.134)  6.404 
ms
 6  * * *
 7  * * *
 8  * * *


Looks like it was Google (72.14.232.134)

Gary Steers
Sharedband NOC/3rd Line Support

-----Original Message-----
From: Denys Fedoryshchenko [mailto:denys () visp net lb] 
Sent: 29 November 2011 13:06
To: NANOG
Subject: DNS 8.8.8.8 was down

 Google DNS was down few minutes, at least for few European locations

 Here is sample traceroute:

  4  213.242.116.25 (213.242.116.25)  39.692 ms  39.776 ms  39.774 ms
  5  ae-7-7.ebr1.Paris1.Level3.net (4.69.143.238)  50.933 ms  50.792 ms  
 50.793 ms
  6  ae-47-47.ebr1.London1.Level3.net (4.69.143.109)  57.353 ms 
 ae-45-45.ebr1.London1.Level3.net (4.69.143.101)  57.580 ms 
 ae-48-48.ebr1.London1.Level3.net (4.69.143.113)  57.582 ms
  7  ae-57-112.csw1.London1.Level3.net (4.69.153.118)  57.577 ms 
 ae-58-113.csw1.London1.Level3.net (4.69.153.122)  57.693 ms 
 ae-57-112.csw1.London1.Level3.net (4.69.153.118)  57.817 ms
  8  ae-1-51.edge3.London1.Level3.net (4.69.139.73)  57.654 ms  57.631 
 ms  57.768 ms
  9  unknown.Level3.net (212.113.15.186)  57.958 ms  57.531 ms  57.643 
 ms
 10  209.85.255.78 (209.85.255.78)  57.732 ms  57.598 ms  57.573 ms
 11  209.85.253.92 (209.85.253.92)  58.300 ms 209.85.253.196 
 (209.85.253.196)  57.941 ms 209.85.253.94 (209.85.253.94)  58.002 ms
 12  72.14.232.134 (72.14.232.134)  63.726 ms 66.249.95.173 
 (66.249.95.173)  63.614 ms 72.14.232.134 (72.14.232.134)  63.699 ms

 After this hop it was dead, now it is working, but seems still there is 
 minor problems
 14  216.239.46.117 (216.239.46.117)  64.171 ms * *
 15  google-public-dns-a.google.com (8.8.8.8)  63.749 ms  63.729 ms  
 63.680 ms

 ---
 System administrator
 Denys Fedoryshchenko
 Virtual ISP S.A.L.