nanog mailing list archives

Re: DNS 8.8.8.8 was down


From: JP Viljoen <froztbyte () froztbyte net>
Date: Tue, 29 Nov 2011 15:12:12 +0200


On Tue, 29 Nov 2011 15:06:15 +0200, Denys Fedoryshchenko <denys () visp net lb> wrote:
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

Some people saw it from .za as well, although apparently 8.8.4.4 is unaffected.




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