Dan, I believe that delegating the IP block to you is called a "SWIP" among ISPs. I have no clue what this word means, other than the explanation I just gave. It may be an acronym, or short for something.
Anyway, Sprint happens to be particularly good about letting their customers SWIP, so that they can manage their own forward and reverse DNS entries. I was very happy with this company when I used to use them. They were very flexible about stuff like this. Unfortunately, they were also incredibly expensive as well! We use AT&T for our T1 service now, and have two Class C networks from them. They absolutely refuse to SWIP. Period. They do have it set up so that our name servers pass on the RDNS info to THEIR DNS servers, while we manage all of our forward DNS entries get looked up by the public on our servers. It seems to work out well enough. The only real way that you could tell that our records have not been SWIPPED is if you do a DIG to see who the network actually belongs to. I also have a commercial SDSL circuit from New Edge Networks with 32 IPs. I have to phone the RDNS info into them manually, but am able to do forward DNS from my own network just fine. Hope this is of some help. William Van Hefner Network Administrator Vantek Communications, Inc. http://www.vantekcommunications.com > There's another way. Partial Class-c reverse DNS can be > delegated. I didn't think that was the case, so when I asked > my ISP (Sprint) to set up reverse for my 63.171.93.0/27 with > host01.visioncomm.net, host02.visioncomm.net, host03 ... > host31.visioncomm.net, they said they'd be happy to, but > wouldn't I rather do it myself? > > So, I now do authoritative, delegated, reverse DNS for my own > eighth of a class-C. Now addresses like those assigned to > mail.visioncomm.net, router.visioncomm.net, > weather.visioncomm.net etc. resolve as one would expect, and > as I control. > > I don't know HOW they do it, but it's working fine<g>. > > hth > > Dan Barker To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
