[nycbug-talk] mx record to domain name look up

michael lists at genoverly.net
Mon Dec 17 08:13:32 EST 2007

On Mon, 17 Dec 2007 01:07:12 -0500
"Marc Spitzer" <mspitzer at gmail.com> wrote:

> hello all,
> I am looking for a site/tool that given a FQDN will provide all the
> domains registered that use that as a mx record for their domain.
> thanks,
> marc
> -- 
> Freedom is nothing but a chance to be better.
> Albert Camus

robtex: "swiss army knife internet tool"

robtex has a pretty cool web frontend to the DNS database. You put in an
IP or domain and it brings back DNS related information.   

As an example, I put in nycbug.org: 

When you click the MX record (fulton.nycbug.org) you get standard DNS
stuff.  But if you scroll down you get the 'value-add' of having that
all that data in a database.  There is a small heading that may help:
"domains using this as mailserver"

Hope that helps.



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