Internetworkers: http://www.ibiblio.org/internetworkers/

[Steven Champeon <schampeo AT hesketh.com>]

on Wed, Dec 13, 2006 at 09:43:52AM -0500, zman wrote:
> On Wed, 13 Dec 2006, Steven Champeon wrote:
> > Scott, there's a difference between host->IP mapping and IP->PTR
> > mapping. No, there's nothing wrong with the former, but seeing multiples
> > on the latter is very rare. I've only seen it (after looking at thousands
> > of IPs over the last three years or more) on a few Mexican ISPs and very
> > rarely outside of that.
> 
> Yes there is... maybe you should look at the blocks the ISP's and hosting 
> companies are using and not just a block of IP's. We had already been 
> doing it at NewSouth before I left there, and I'm sure they're still doing 
> it with whatever their name is now. After going through an adress 
> migration with ARIN there was no way that we could give each domain an 
> individual IP. I'm not saying it's prevalent, but I wouldn't consider it 
> rare by any means.

OK, then, show me five IPs with multiple PTR records and I'll let this lie.
 
-- 
hesketh.com/inc. v: +1(919)834-2552 f: +1(919)834-2553 w: http://hesketh.com/
antispam news, solutions for sendmail, exim, postfix: http://enemieslist.com/
rambling, amusements, edifications and suchlike: http://interrupt-driven.com/