Here is a comment on the web site www.dnsreport.com
When you check a site on this web site the first revdns check can fail and
the explanation is as follow
--
Reverse DNS entries for MX records
This may be a false positive due to the nasty BIND bug (client side) that
causes reverse DN
Here is a comment on the web site www.dnsreport.com
When you check a site on this web site the first revdns check can fail and
the explanation is as follow
--
Reverse DNS entries for MX records
This may be a false positive due to the nasty BIND bug (client side) that
causes reverse DN