Resolving RFC1918 addresses on recursive, caching servers

[Reindl Harald]

Am 09.11.2017 um 23:34 schrieb Oscar Ricardo Silva:
> authoritative servers for all our in-addr.arpa domains and utexas.edu:
> 
> - chisos.ots.utexas.edu (128.83.185.39)
> - glass.its.utexas.edu  (129.116.136.5)
> 
> Some in-addr.arpa zones delegated to ns1.dept.utexas.edu on above 
> authoritative servers:
> 
>      5.16.172.in-addr.arpa (172.16.5.0/24)
>      128-25.6.17.172.in-addr.arpa (172.17.6.128/25)
>      64-27.7.17.172.in-addr.arpa (172.17.7.164/27)
> 
>> zone 16.172.in-addr.arpa IN {
>>      type forward;
>>      forward first;
>>      forwarders { 128.83.185.39; 129.116.136.5; };
>> };

this is NOT a delegation, this is just forwarding
http://www.zytrax.com/books/dns/ch9/reverse.html