Date: Fri, 13 Jul 2007 09:08:25 +0200 From: J65nko <j65nko@gmail.com> To: cuongvt@fpt.vn, freebsd-questions@freebsd.org Subject: Re: is is able to setting up DNS server reverse lookup with DynamicIP? Message-ID: <19861fba0707130008y3b8c1e5w426340a92ba14c37@mail.gmail.com> In-Reply-To: <200707130623.l6D6NZ3I076815@banyan.cs.ait.ac.th> References: <46970917.3030502@fpt.vn> <200707130536.l6D5akxS070187@banyan.cs.ait.ac.th> <46971201.8030101@fpt.vn> <200707130552.l6D5qEM7071933@banyan.cs.ait.ac.th> <4697170E.3000909@fpt.vn> <200707130623.l6D6NZ3I076815@banyan.cs.ait.ac.th>
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On 7/13/07, Olivier Nicole <on@cs.ait.ac.th> wrote: > I understand your problem. > > dyndns.com is taking care of the forward dynamic DNS for you. > > Now who is in charge of the reverse DNS for 58.187.106.120 (your > current IP)? I beleive it is FPT. > > So FPT should upgrade its own reverse DNS every time it gives an IP to > your server. > > Right now if I make a reverse DNS lookup on 58.187.106.120 it gets > nothing, while it should get thecuong.gotdns.com. > > The easiest way to solve your email problem would be that your server > sends all the email thought FPT mail server. > > As a rule, it is a bad idea to use a machine with a dynamic address to > be an SMTP server: when the IP changes, the DNS cache will take some > time to update everywhere, so for some time your email will be sent to > the wrong IP: mailiong list may decide that your account is dead and > remove you from the list. > > Olivier This same issue is being discussed at http://www.bsdforums.org/forums/showthread.php?p=265093#post265093 ;)
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