[arin-ppml] ULA-C and reverse DNS
owen at delong.com
Mon Mar 22 08:51:33 EDT 2010
I think that it makes far more sense to make a liberal GUA policy that allows
people to get GUA if they need it regardless of whether they need it for
internet or not. Then, if they want it from a prefix set aside as "non-routable",
then, that's available, but, it's a purely advisory semantic, not something
coded into systems or routers or whatever.
On Mar 22, 2010, at 5:28 AM, David Farmer wrote:
> If ULA-Central is not going to include authoritative reverse DNS, then I'm not sure the point of doing ULA-Central. One of the biggest problem I have with RFC1918 is the brain damage it causes in DNS, ULA-Random has this same brain damage. I see no point in doing ULA-Central if it doesn't include reverse DNS too.
> michael.dillon at bt.com wrote:
>> I got a private question that I thought was worth sharing:
>>> So, how is the reverse DNS handled then?
>> Same as RFC 1918 addresses.
>> In fact, it would be good for this to be made explicit either in the global RIR policy (i.e. RIR will not prove reverse DNS services) or in the RFC or both.
>> Addresses intended for use on the public Internet come with
>> reverse DNS delegations, but ULA-C addresses only come with
>> guaranteed global uniqueness.
>> --Michael Dillon
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> David Farmer Email:farmer at umn.edu
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