DynDNS does forward look-ups only. The PTR resolution must be provided for by the address owner. Typically a Broadband provider of some sort. The way it works is that the resolver asks who owns the PTR record for the address given. That is often an ISP or a large corporation.
-- J. Eric Josephson Director of Network and System Operations 978-720-2159 mailto:[EMAIL PROTECTED] Wolfgang Hennerbichler To: [email protected] <[EMAIL PROTECTED]> cc: Sent by: Subject: RE: [Ntop-dev] How can ntop resolve DynDNS hosts? ntop-dev-bounces@ unipi.it 01/18/2005 12:27 PM Please respond to ntop-dev On Tue, 2005-01-18 at 11:21 -0600, Burton Strauss wrote: > There's nothing odd about it. DynDNS type services EXIST to provide name > resolution, of course ntop can resolve it! You misunderstood me. I wrote about reverse-DNS-lookups, which is not so obvious to me. Ntop can only be in the knowledge of my IP-Address, not my A record. I'm talking about PTR records, that DYNDNS doesn't provide, I guess. > -----Burton Wolfgang > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf > Of Wolfgang Hennerbichler > Sent: Tuesday, January 18, 2005 10:56 AM > To: [email protected] > Subject: [Ntop-dev] How can ntop resolve DynDNS hosts? > > Hi! > > I've found out, that ntop is able to resolve the dyndns record (via a > reverse-DNS lookup(!)) of my laptop - how is this possible? > I've just had a quick glance at the source code, but didn't find anything - > I am really interested how this is done - so if somebody could give me a > hint - I'd appreciate that! > > Thank you! > Wolfgang > > _______________________________________________ > Ntop-dev mailing list > [email protected] > http://listgateway.unipi.it/mailman/listinfo/ntop-dev > > _______________________________________________ > Ntop-dev mailing list > [email protected] > http://listgateway.unipi.it/mailman/listinfo/ntop-dev > _______________________________________________ Ntop-dev mailing list [email protected] http://listgateway.unipi.it/mailman/listinfo/ntop-dev _______________________________________________ Ntop-dev mailing list [email protected] http://listgateway.unipi.it/mailman/listinfo/ntop-dev
