[dns-operations] Trustworthiness of PTR record targets

Jo Rhett jrhett at netconsonance.com
Tue Mar 4 18:02:57 UTC 2014

On Mar 4, 2014, at 9:48 AM, Doug Barton <dougb at dougbarton.us> wrote:
> 2. In my experience (which is not thorough, but also not zero) anti-spam folks are completely uninterested in what's in the PTR, and generally do not do any blacklisting by domain name in the sense you seem to mean.

You mean except for all those filter rules that add points if your reverse DNS looks like a dynamic IP?  ;-)

Jo Rhett
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