[dmarc-discuss] SPF Check issue on Google Reports

Dave Warren davew at hireahit.com
Mon Sep 15 14:13:20 PDT 2014

On 2014-09-15 13:55, Al Iverson via dmarc-discuss wrote:
> First thing I would look at is, do all of your DNS servers reliably
> return the same results? If you have 3-4 DNS servers and one of them
> doesn't return the right info, this could conceivably cause what you
> are seeing.

One other thought, beyond what Al said... Any chance you've started 
delivering to Google via IPv6, but your SPF only covers your IPv4 IP space?

Dave Warren

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