[outages] Google DNS

[Damian Menscher]

Those are valid Google IPs, so this is likely working as intended and you
were just temporarily being load-balanced to a different datacenter.  If
you're still concerned, please send me more detail off-list.

Damian


On Fri, Dec 6, 2013 at 1:27 PM, Dan White <dwhite at olp.net> wrote:

> On 12/06/13 12:41 -0600, Dan White wrote:
>
>> On 12/06/13 10:25 -0800, Luke Rockwell wrote:
>>
>>> Anybody else having issues with google dns?
>>>
>>
>> No problems here (south central US):
>>
>> $ time dig +short @8.8.8.8 google.com a
>> 74.125.225.226
>> 74.125.225.230
>> 74.125.225.233
>> 74.125.225.238
>> 74.125.225.232
>> 74.125.225.227
>> 74.125.225.225
>> 74.125.225.229
>> 74.125.225.224
>> 74.125.225.231
>> 74.125.225.228
>>
>> real    0m0.077s
>> user    0m0.012s
>> sys     0m0.000s
>>
>
> One of our DNS servers just had incorrect data cached for google.com and
> www.google.com:
>
> dwhite at quark:~$ dig www.google.com
>
> ;; QUESTION SECTION:
> ;www.google.com.            IN  A
>
> ;; ANSWER SECTION:
> www.google.com.     24  IN  A   201.130.208.23
> www.google.com.     24  IN  A   201.130.208.44
> www.google.com.     24  IN  A   201.130.208.34
> www.google.com.     24  IN  A   201.130.208.45
> www.google.com.     24  IN  A   201.130.208.29
> www.google.com.     24  IN  A   201.130.208.30
> www.google.com.     24  IN  A   201.130.208.53
> www.google.com.     24  IN  A   201.130.208.38
> www.google.com.     24  IN  A   201.130.208.19
> www.google.com.     24  IN  A   201.130.208.49
> www.google.com.     24  IN  A   201.130.208.59
> www.google.com.     24  IN  A   201.130.208.57
> www.google.com.     24  IN  A   201.130.208.27
> www.google.com.     24  IN  A   201.130.208.42
> www.google.com.     24  IN  A   201.130.208.15
>
> After the 24 second cache timeout, the correct (google space) IPs
> populated:
>
> ;; ANSWER SECTION:
> google.com.     138 IN  A   74.125.227.104
> google.com.     138 IN  A   74.125.227.100
> google.com.     138 IN  A   74.125.227.101
> google.com.     138 IN  A   74.125.227.102
> google.com.     138 IN  A   74.125.227.105
> google.com.     138 IN  A   74.125.227.97
> google.com.     138 IN  A   74.125.227.98
> google.com.     138 IN  A   74.125.227.110
> google.com.     138 IN  A   74.125.227.96
> google.com.     138 IN  A   74.125.227.103
> google.com.     138 IN  A   74.125.227.99
>
> I did not notice this on any other DNS servers.
>
>
> --
> Dan White
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>
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