From owner-freebsd-questions Wed Jun 20 20:41:56 2001 Delivered-To: freebsd-questions@freebsd.org Received: from w2xo.pgh.pa.us (18.gibs5.xdsl.nauticom.net [209.195.184.19]) by hub.freebsd.org (Postfix) with ESMTP id D2FB237B401 for ; Wed, 20 Jun 2001 20:41:53 -0700 (PDT) (envelope-from durham@w2xo.pgh.pa.us) Received: from shazam (shazam [192.168.5.3]) by w2xo.pgh.pa.us (8.11.3/8.11.3) with ESMTP id f5L3brQ35075; Thu, 21 Jun 2001 03:37:53 GMT (envelope-from durham@w2xo.pgh.pa.us) Date: Wed, 20 Jun 2001 23:41:59 -0400 (EDT) From: Jim Durham X-Sender: durham@shazam.int To: Bill Moran Cc: freebsd-questions@FreeBSD.ORG Subject: Re: [OT] Domain names that are just numbers -- what's this?? In-Reply-To: <3B31292E.8EC9C976@iowna.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Wed, 20 Jun 2001, Bill Moran wrote: > > What are these domain names that are just numbers? Let's take the > following SPAM I recently recieved as an example: > > > For global removal from our list, click the folling link, thank you: > http://808517866170/merchantsource/Remove_Form.htm > > I take no credit, I asked my guru friend if he'd ever heard of it, and he said "It's just a 32 bit integer that resolves to the IP address when converted to binary. After all, an IP is just a number. The "dotted quad" thing is just for human consumption. Apparently, Netscape, for one, allows this. Take the number and convert it to hex, then take each 2 hex digits and convert to decimal. -Jim Durham To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message