It seems that any Windows machine that tracerroutes the IP address I
blanked out, they will get a DNS resolution of local host.  This is
due to a special DNS response I captured using netmon.

If a Google security engineer contacts me directly off list, I can
share the results and more information.



On Wed, Jul 11, 2012 at 11:58 AM, Chris Lamont Mankowski
<[email protected]> wrote:
> This is strange, I have a DKIM report from Google that says email was
> sent by a Trusted Forwarder, and when I do a tracert to the remote
> machine, several of the reverse lookups have a machine name matching
> my personal laptop.
>
> - <record>
> - <row>
>   <source_ip>222.253.x.x</source_ip>
>   <count>1</count>
> - <policy_evaluated>
>   <disposition>none</disposition>
> - <reason>
>   <type>trusted_forwarder</type>
>   <comment />
>   </reason>
>   </policy_evaluated>
>   </row>
> - <identifiers>
>   <header_from>nfp.com</header_from>
>   </identifiers>
> - <auth_results>
> - <dkim>
>   <domain />
>   <result>none</result>
>   <human_result />
>   </dkim>
> - <dkim>
>   <domain />
>   <result>none</result>
>   <human_result />
>   </dkim>
> - <spf>
>   <domain>nfp.com</domain>
>   <result>softfail</result>
>   </spf>
>   </auth_results>
>   </record>
>
>
> Any thoughts on what may be going on?
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