Re: Reverse Lookup using IP Address in EPP?

[Rick H Wesson <wessorh@ar.com>]

good suggestion. I can see the benifit of leverse lookups of name servers
within the spec.

-rick

On Tue, 26 Feb 2002, Liu, Hong wrote:

> The current registry practice requires that an unique IP address be assigned
> to each name server in the same name space. That is, if an IP address is
> already used by an NS, it cannot be used for another NS. It is very
> difficult to find out which host has used the IP address, without looking at
> the zone file, or calling customer support. Even zone files may not contain
> the host if it is an orphan NS in the registry. This is the out-of-band
> method.
>
> One possible way to resolve this issue is to provide reverse lookup based on
> an IP address via the registrar-registry interface, i.e., in-band method.
> Based on the returned host name, the requesting party knows whether that
> host is still in use as an NS or not. In the case of an orphan NS, the
> requesting party can tell the registry to remove the A RR for the host.
>
> However, this requires that the current EPP protocol be extended to include
> such capability in the host mapping part. I would like to know how the WG
> feels about this issue. I would also like to hear other alternatives for
> solving this problem.
>
> Cheers,
>
> --Hong
>