[outages] Comcast DNS broken?

[John Neiberger]

It's localized to the west coast. We're investigating now.

Thanks,
John

On Mon, Jun 1, 2015 at 9:10 PM, Aubrey Wells via Outages <
outages at outages.org> wrote:

> Its working fine here in Atlanta, but 75.75.7[56].7[56] are anycasted so
> the cluster you are hitting from SFO is almost certainly not the same
> cluster I am hitting from ATL.
>
>
> ---------------------
> Aubrey Wells
> Manager, Network Operations
> Digium Cloud Services
> Main: 888.305.3850
> Support: 877.344.4861 or http://www.digium.com/en/support
> <http://www.digium.com/en/support?elq=65516445a5964d3597e25eaf566bc2cf&elqCampaignId=>
>
> On Mon, Jun 1, 2015 at 11:06 PM, Sajal Kayan via Outages <
> outages at outages.org> wrote:
>
>> Hi,
>>
>> Comcast DNS servers (75.75.75.75, 75.75.76.76) seem to be down. Web pages
>> were suck at dns resolution phase, switching to Google DNS solved the
>> problem immediately.
>>
>> Tested from San Francisco.
>>
>> sajal at sajal-lappy:~$ mtr --report 75.75.75.75
>> Start: Mon Jun  1 20:03:02 2015
>> HOST: sajal-lappy                 Loss%   Snt   Last   Avg  Best  Wrst
>> StDev
>>   1.|-- 10.0.1.1                   0.0%    10    1.2   3.1   1.0   5.9
>> 1.2
>>   2.|-- 50.174.142.1               0.0%    10   15.9  20.7  14.6  49.7
>>  10.4
>>   3.|-- te-0-7-0-5-sur03.sffolsom  0.0%    10   16.9  24.1  16.4  54.6
>>  11.6
>>   4.|-- be-209-ar01.santaclara.ca  0.0%    10   18.2  33.4  17.0 146.1
>>  39.9
>>   5.|-- he-0-14-0-0-ar01.sfsutro.  0.0%    10   22.4  26.9  20.0  42.9
>> 6.8
>>   6.|-- te-9-4-ur01-d.sanjose.ca.  0.0%    10   22.9  23.1  20.6  28.4
>> 2.0
>>   7.|-- te-8-2-ur01-d.sanjose.ca.  0.0%    10   21.5  23.4  20.6  29.2
>> 3.1
>>   8.|-- cdns01.comcast.net         0.0%    10   32.2  47.3  20.5  89.7
>>  29.0
>> sajal at sajal-lappy:~$ dig google.com @75.75.75.75
>>
>> ; <<>> DiG 9.9.5-3ubuntu0.2-Ubuntu <<>> google.com @75.75.75.75
>> ;; global options: +cmd
>> ;; connection timed out; no servers could be reached
>> sajal at sajal-lappy:~$
>>
>>
>> https://pulse.turbobytes.com/results/556d1b32ecbe4023eb0000ab/ - Using
>> our tool we see timeout from Seattle and Mountain View. Is this a national
>> level outage or something?
>>
>> -Sajal
>>
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>
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