[dns-operations] Google Resolver Validation

Yunhong Gu guu at google.com
Wed Apr 1 16:01:24 UTC 2015


This should be fixed now. Sorry that this was not a April Fools day joke :)

Yunhong

On Wed, Apr 1, 2015 at 11:21 AM, Yunhong Gu <guu at google.com> wrote:

> Thanks, I am investigating.
>
> On Wed, Apr 1, 2015 at 11:17 AM, Brett <brettcarr at gmail.com> wrote:
>
>> 1  gw-vlan100 (213.248.204.1)  0.512 ms  0.320 ms  0.292 ms
>>  2  213.248.252.201 (213.248.252.201)  1.242 ms  1.036 ms  0.994 ms
>>  3  nomfwlp01-reth4-414 (213.248.252.35)  2.731 ms  2.662 ms  2.691 ms
>>  4  nomfwlp01-ge-0-0-2 (213.248.252.249)  3.559 ms  3.561 ms  3.524 ms
>>  5  dc2nombgprp01-pc2 (213.248.252.4)  16.188 ms  4.050 ms  3.798 ms
>>  6  195.66.236.125 (195.66.236.125)  918.570 ms  709.130 ms  656.792 ms
>>  7  216.239.47.177 (216.239.47.177)  5.653 ms
>>     216.239.47.179 (216.239.47.179)  5.364 ms
>>     216.239.47.175 (216.239.47.175)  5.085 ms
>>  8  72.14.237.41 (72.14.237.41)  5.498 ms
>>     72.14.239.43 (72.14.239.43)  5.829 ms
>>     216.239.47.45 (216.239.47.45)  5.689 ms
>>  9  google-public-dns-a.google.com (8.8.8.8)  5.296 ms  5.345 ms  5.439
>> ms
>>
>> I just sent ten queries for:
>>
>> dig @8.8.8.8 verisign.com a +dnssec
>>
>> six of them came back with the AD bit set and four answered with no AD
>> bit.
>>
>> Brett
>>
>>
>>
>>
>>
>> On 1 April 2015 at 16:13, Yunhong Gu <guu at google.com> wrote:
>>
>>> Hi, Brett,
>>>
>>> Can you tell me which Google server responded your requests? (traceroute
>>> 8.8.8.8 should do).
>>>
>>> Yunhong
>>>
>>> On Wed, Apr 1, 2015 at 10:57 AM, Brett <brettcarr at gmail.com> wrote:
>>>
>>>> I am currently seeing a proportion (about 50%) of queries to 8.8.8.8
>>>> not returning an AD bit.
>>>> Anybody else seeing the same?
>>>> Warren: do you have any ideas what is happening here (Is this a DNSSEC
>>>> April Fool?)
>>>>
>>>> oh and I do like todays com.google :)
>>>>
>>>> --
>>>> Brett
>>>>
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>>>>
>>>
>>>
>>
>>
>> --
>> Brett
>>
>
>
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