[ppml] ARIN commments regarding Lame Delegation Policy

Member Services info at arin.net
Fri Sep 14 15:37:48 EDT 2007

Hi Owen-

Yes, ARIN would be able to continue to actively test for lameness in the 
reverse DNS zones if section 7 were to be removed from the NRPM.  This 
is because the community has clearly expressed its interest in having 
ARIN identify and remedy lame IN-ADDR.ARPA delegations for address 
blocks that it administers.  In fact, additional community input on the 
lameness testing has come in just recently through the ARIN Consultation 
and Suggestion Process.  Had the ACSP been in place previously, we feel 
that lame delegations would likely have been addressed through that 
process as an operational issue rather than a policy issue.


Leslie Nobile
Director, Registration Services
American Registry for Internet Numbers

Owen DeLong wrote:
> Nate,
>     Could you clarify if you feel that ARIN would be unable to continue  
> this
> function if section 7 were deleted?
> Thanks,
> Owen
> On Sep 14, 2007, at 7:11 AM, Member Services wrote:
>> The following comments are being provided in response to recent
>> discussions and questions raised on the ppml.
>> ARIN has implemented the methodology for identifying lameness as
>> described at:
>>       http://www.arin.net/reference/lame_delegations.html
>> Using the example posted on ppml, each name server  would
>> be tested for all 32 reverse zones.  A name server would be deemed  lame
>> only when all zones fail. If one or more of the reverse zones in  the /19
>> is configured properly for a given name server, the name server
>> delegation for that /19 would be declared 'good'.
>> With regard to lame delegations reported to ARIN by third parties,  ARIN
>> will not respond to requests to remove these delegations without
>> exercising the procedure adopted to implement the lame delegation  
>> policy.
>> ARIN staff believes the current policy, as ratified, provides  sufficient
>> direction for lame delegations to be cleaned up.
>> Regards,
>> Nate Davis
>> Chief Operations Officer
>> American Registry for Internet Numbers (ARIN)
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