[dns-operations] new public DNS service: 9.9.9.9

升龙云 hi at shenglongyun.com
Wed Nov 22 07:17:07 UTC 2017


Oops I just had the same thought as ablang.
Paul did you mean even there is no stuff in cache  the resolver can be
still fast?


On Wed, Nov 22, 2017 at 2:37 PM, Paul Vixie <paul at redbarn.org> wrote:

>
>
> abang at t-ipnet.net wrote:
>
>>
>> Am 22. November 2017 00:13:53 MEZ schrieb Paul Vixie<paul at redbarn.org>:
>>
>>> my RDNS is a virtual appliance inside virtualbox inside windows, on my
>>> laptop. when it can't work, it's because UDP/53 isn't getting clear
>>> path service upstream of me. in that case i turn my laptop... off.
>>>
>>
>> Yes, this is a good solution which works usually out of the box. If
>> you don't care about latency. A DNS resolver depends on caching. You
>> need tens of thousands of subscribers for your RDNS to get a reasonable
>> average latency.
>>
>
> no.
>
> you're welcome to show your math.
>
> --
> P Vixie
>
>
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