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Re: BIND DNS question

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Luca Filipozzi (lfilipoz@emyr.net.yuk)
Mon, 21 Feb 2000 08:14:32 -0800

In article <20000220135947.A30892@cm.nu>, Shane Wegner <shane@cm.nu> wrote:
> I have a question about BIND and dynamic IP addresses which I'm hoping
> someone can help with. I am using Telus' ADSL and am doing my own primary
> DNS. The way I have it working is as follows.

You don't have to do your own primary/secondary. There is a free DNS service available
from soa.granitecanyon.com.

Since you have ADSL from Telus, you also have a static hostname... so you can use a
CNAME.

What I mean is this:
1) Go to soa.granitecanyon.com and set up the zone files for your domain: shane.com.
    In these zone files, you can set up CNAME records as follow:
    www.shane.com IN CNAME a3aXXXXX.hsia.telus.net
2) Register shane.com with a registrar and specify soa.granitecanyon.com's nameservers
    as your primary/secondary.

Now, you don't need to use Dynamic DNS features, since your hostname is static. And
you were never authoritative for the reverse lookup, so nothing has changed there. The
only real question in all this is the reliability of soa.granitecanyon.com. Since they are
now sponsored by register.com, one of the new domain registrars, I would think they will
be fairly reliable.

Hope this helps,

Luca

> One other question, can an NS entry for a zone point to a CNAME or must it
> point to an A record?

An NS record must use an IP address:
ns.domain.com NS 192.168.1.1 

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