[as112-ops] DNS Blackhole servers requests question

[Ben Cox]

Are you able to run a traceroute?

They respond to me. There is possibly a anycast server not responding that
you are hitting.

On Wed, Apr 18, 2018 at 12:31 PM, Roberto Carna <robertocarna36 at gmail.com>
wrote:

> Dear, I want to use and test the DNS BLACKHOLE servers for RFC 1918
> network addresses:
>
> BLACKHOLE-1.IANA.ORG (192.175.48.6)
> BLACKHOLE-2.IANA.ORG (192.175.48.42)
>
> But every time I query these servers, I can’t reach them.
>
> Are they running? Or maybe they don’t work for every people from Internet?
>
> In all my attempts to query these blackhole servers, just one time I
> get a NXDOMAIN valid response.
>
> Always I can’t reach them:
>
> root at MITLPDNS01:~# host -t NS 10.IN-ADDR.ARPA 192.175.48.6
> ;; connection timed out; no servers could be reached
>
> root at MITLPDNS01:~# host -t NS 10.IN-ADDR.ARPA 192.175.48.42
> ;; connection timed out; no servers could be reached
>
> Please can you help me?
>
> I know I can create local DNS zones for RFC 1918 networks in my BIND
> server, but I want to understand the use of DNS Blackhole servers.
>
> Thanks in advance, regards!!!
>
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>
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