localhoast A record?

Mitchell Kuch mitch at basejp.com
Fri Mar 21 17:54:21 UTC 2014

The only remotely valid use case that I have found was the default DNS
monitoring rule for OpenNMS and other monitoring applications. Such a

On Fri, Mar 21, 2014 at 12:09 PM, Marco Davids (SIDN)
<marco.davids at sidn.nl> wrote:
> To me, an NXDOMAIN-reply seems better

On Fri, Mar 21, 2014 at 8:50 AM, Mitchell Kuch <mitch at basejp.com> wrote:
> Hello -
> I've adopted a number of zones and most of them contain "localhost in
> a" records. I'm curious what current RFC standards state and
> what the community considers best practice. RFC1537 states that zones
> should contain a localhost record, but it seems that practice was
> obsoleted by RFC1912. Is anyone aware of negative consequences with
> leaving such records in place, perhaps a XSS vulnerability?
> I'm itching to remove the records but thought I'd check to see if
> there was a legacy use case.
> Regards,
> Mitchell

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