[dns-operations] Missing .us and GTLD records??

Michael Sinatra michael at rancid.berkeley.edu
Wed May 19 05:42:32 UTC 2010

On 05/18/10 20:57, Mark Andrews wrote:
> In message<20100519110901.59de7b67.tss at reflection.co.jp>, "T.Suzuki" writes:
>> On Wed, 19 May 2010 11:38:41 +1000
>> Mark Andrews<marka at isc.org>  wrote:
>>> In message<20100519000419.GA1296950 at hiwaay.net>, Chris Adams writes:
>>>> Once upon a time, Luis Uribarri<uribarri at alum.mit.edu>  said:
>>>>> dig: Couldn't find server 'j.gtld.biz': Name or service not known
>>>>> ======================================
>>>>> ;; Received 472 bytes from in 21 ms
>>>>> dig: Couldn't find server 'j.cctld.us': Name or service not known
>>>>> ======================================
>>>>> Sure enough,
>>>>> You can confirm with plain old BIND, the "A" records do not exist, (jus
>> t
>>>>> the glue, but not the A), should not all 'Registered Name Servers' have
>>>>> the 'A' records published, or am I totally wrong here.
>>>> You are using an older version of dig that assumes all servers have A
>>>> records.  The above servers only have AAAA records, which is perfectly
>>>> valid.
>>> Or the OS doesn't have IPv6 turned on.  Time to turn on IPv6.
>> Then, when should we turn off IPv4 and remove A records ?
> At this point *everyone* should be in the process of bringing up IPv6.
> There are a few more years to go before we should be turning off IPv4.

Moreover, "adopting IPv6" does not necessarily require "abating IPv4" at 
the same time.


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