clarification before buying a internet static IP address

cpghost cpghost at
Mon Jul 16 18:00:24 UTC 2007

On Mon, Jul 16, 2007 at 11:02:37AM -0500, Jonathan Horne wrote:
> On Monday 16 July 2007 09:13:47 vuthecuong wrote:
> > I need from you advice before doign things.
> >
> > Up to now, I have a home web server using free DynamicDNS service of
> >
> > With it, I can access directly to my home web server from ouside through
> > Internet.
> thats what i do.  i purchased only the domain name, and set the authoritative 
> DNS servers to point to my static IP (well, IPs in my case).

Some registrars (registries?) require at least two *distinct*
IP addresses for a primary and secondary DNS server; some of
them even check that they are not on the same /28 subnet.

If you have this problem, you could always sign up with a
DNS service provider for additional DNS servers. Some of
them are free, others may cost around $15 to $25 per year.

> in your case, you will probably have to purchase your static IP first.  during 
> the time that this is being set up, continue to use your dyndns service, then 
> after the IP is in place and stable, buy your domain name.  when you are 
> setting up the domain, you can then specify the IP address that you already 
> have up and running as the DNS server.  it would be a good idea to already 
> have the DNS zone written and running on your server while you are making 
> this change.


Cordula's Web.

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