[62875] in North American Network Operators' Group
RE: Detecting a non-existent domain
daemon@ATHENA.MIT.EDU (David Schwartz)
Tue Sep 23 17:55:37 2003
From: "David Schwartz" <davids@webmaster.com>
To: "Dominic J. Eidson" <sauron@the-infinite.org>,
"Kee Hinckley" <nazgul@somewhere.com>
Cc: <nanog@merit.edu>
Date: Tue, 23 Sep 2003 14:46:40 -0700
In-Reply-To: <Pine.LNX.4.33.0309231620040.1438-100000@morannon.the-infinite.org>
Errors-To: owner-nanog-outgoing@merit.edu
> On Tue, 23 Sep 2003, Kee Hinckley wrote:
> > Getting practical for a minute. What is the optimal way now to see
> > if a given host truly exists? Assume that I can't control the DNS
> Look for a SOA record for the domain - this should be the proper way to
> check for the existance of a domain, instead of looking for A, NS or MX
> records..
He asked for the "optimal way" "to see if a given host truly exists" and
you told him how to confirm or deny the "existance of a domain". He asked
about hosts, you answered about domains.
DS
