[asterisk-users] Packet8 hacked

[Jeff LaCoursiere]

On Fri, 23 Jan 2009, Kristian Kielhofner wrote:

> On Fri, Jan 23, 2009 at 9:18 AM, Steve Totaro
> <stotaro at asteriskhelpdesk.com> wrote:
>>
>> Fine using AT&T's (at least I think they belong to AT&T) DNS servers
>> (Also do NTP).  I will make this thread useful to someone.
>>
>> Listed below because they are easy to remember and have never failed
>> me even when a customer's ISP's DNS is down, I get the call "Our
>> Internet is Down" but they can ping my servers by IP.  Also, can
>> "speed up" complaints of a slow network (if DNS lookups are the reason
>> for the slowness.
>>
>> 4.2.2.1
>> 4.2.2.2
>> 4.2.2.3
>>
>> --
>> Thanks,
>> Steve Totaro
>> +18887771888 (Toll Free)
>> +12409381212 (Cell)
>
> Steve,
>
>  Those are Level(3)s anycast DNS servers - part of internet legend!
>
>  I once talked to a Level(3) engineer about how many queries those
> things do (combined) and it was amazing.  I don't remember the exact
> number but it was something in the TENS OF MILLIONS/day, maybe more.
> It was one of those numbers (especially for daily traffic) that you
> just don't really comprehend.
>
>  I've read (on NANOG, of course) that Level(3) actually encourages
> (at least doesn't discourage) their public use.  They log the queries
> and sell the results for data mining purposes (DNS Alexa perhaps).
>

Can you imagine the cache they hold?  Surely the most abused DNS servers 
in the world.  That is why they seem to "speed up" your slow Internet 
links.

j