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[arin-announce] IN-ADDR.ARPA Zone Transfer Complete



Hi Doug,

On 2011-02-16, at 16:30, Doug Barton wrote:

> Relevant to another post today, I've noticed that neither the *.ip6-servers.arpa nor the *.in-addr-servers.arpa allow axfr. Which leads to the following questions:
> 
> 1. Was that a conscious decision, and if so why?

It's a question for the individual operators of the servers. I can only speak for the particular servers that ICANN operates.

ICANN operates B.IN-ADDR-SERVERS.ARPA and B.IP6-SERVERS.ARPA. As with L-Root, we don't permit zone transfers from the servers themselves; our goal with the nameservers themselves is to provide them with as much headroom as possible for answering DNS queries, and it has never seemed to us that also responding to AXFR is going to help with that.

We do however support open zone transfers for the root zone, ARPA, IN-ADDR.ARPA and IP6.ARPA from two locations for anybody who cares to use them:

  xfr.lax.dns.icann.org
  xfr.cjr.dns.icann.org

The availability of these servers for AXFR is documented at <http://dns.icann.org/services/axfr/>.


Joe