On Sun, 13 Feb 2005 13:24:36 +1030, Paul A. Hoadley <[EMAIL PROTECTED]> wrote: > On Sat, Feb 12, 2005 at 07:52:08PM -0500, RL wrote: > > > 1. I have adelphia cable internet. I would like to get a dyndns or > > no-ip.com account to have a static IP for my new godaddy domain. > > I assume both of those services are dynamic DNS providers, and I'll > assume your cable provider gives you a dynamic IP address. Dynamic > DNS providers don't provide you with a static IP, but rather > nameservice for your domain. The provider will nominate some subset > of their nameservers for you to register (with the registrar that sold > you the domain name) as providing DNS for your new domain. The idea > is that whenever your IP address changes, you contact the dynamic DNS > provider (in some provider-specific way---e.g., a web form, a local > script) to update your A record. > > > Simple enough. However, I would like to also do my own DNS to learn > > more about it. Will I be able to do this if I set my nameserver on > > godaddy to my box's dyndns address? > > Almost certainly not, for two reasons. You need a static IP address > to lodge with your registrar. (I guess it would be _possible_ to > manually update the address with your registrar every time it changes, > but quite impractical.) Further, you need to provide at least two > nameservers for your domain. Again, it is _possible_ that you could > personally provide one, and use a DNS provider as a secondary. > > > 2. What about reverse DNS? Could I possibly do that on my box? > > Not unless you solve all of the problems above, and then discuss the > issue with your ISP---since they own the IP address, they run the > corresponding part of the in-addr.arpa zone, and the specific PTR > record you will require. > > > 3. I would also like to run my own mailserver for that domain (again > > to learn). Would I be able to do this and send receive email > > from/to [EMAIL PROTECTED] > > This you'll be able to do. You need to add an MX record to your zone > file at the dynamic DNS provider. You would want mail sent to the > host named in the A record. > > > I know most ISPs block port 25 and no-ip.com has a pay service > > called mail reflector that can get around this. Is this necessary? > > If _your_ ISP blocks port 25, then you'll have to do _something_ to > get around that, but I don't know if that particular service is the > right solution. > > > Why couldn't I just set up sendmail to use a port other than 25 like > > 8080? > > There's certainly nothing _intrinsically_ special about port 25. > However, it's the port that everyone's agreed to send mail to. If > your sendmail was listening on port 8080, how would my sendmail know? > > -- > Paul. > > w http://logicsquad.net/ > h http://paul.hoadley.name/ > > >
Yeah and crappy Adelphia doesn't offer static IPs without charging way way too much. At least I should be able to set up my own mail. _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
