> -----Original Message-----
> From: Ed Wilts
> Sent: Sunday, March 30, 2003 11:56 AM
> Subject: Re: NameServers, DNS, and BIND
> 
> 
> On Sun, Mar 30, 2003 at 11:15:44AM -0600, Cowles, Steve wrote:
> > Why registrars' are allowing tld name servers to point NS 
> > records to the same IP is beyond me. Gzzz!!! Where's the
> > redundancy?
> 
> If you have only one host and it's your nameserver as well as 
> your mail server, why add redundancy?  If the nameserver is
> down, so is the rest of the domain.  It's not up to the
> registrars to tell you how to configure your domain.

Point taken - at least the part about the registrars responsibility. But it
seems like back when I registered my first domain (1996/Network Solutions) I
don't remember being able to register the same IP for both name servers.
Maybe I just didn't try hard enough. Anyway, I have since moved away from
network solutions.

As for redundancy/failover... I run my own DNS/Mail server on the same box.
If my end goes down, its nice to know that my secondary DNS server (located
in another state) will still answer DNS queries for my domains and queue
e-mail for later delivery. i.e. No DSN is sent. So my domain names are not
"totally" down even though I have a single point of failure at my end.

Steve Cowles



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