What is spf2.0/pra ? Is this new? Jean From: NANOG <nanog-bounces+jean=ddostest.me@nanog.org> On Behalf Of Alec Peterson Sent: June 7, 2021 10:35 AM To: Brad Barnett <lists@l8r.net> Cc: nanog@nanog.org Subject: Re: amazon.com multiple SPF records Hmm, are you sure? [ec2-user@ip-10-0-0-50 ~]$ dig amazon.com <http://amazon.com> txt +short|grep spf "v=spf1 include:spf1.amazon.com <http://spf1.amazon.com> include:spf2.amazon.com <http://spf2.amazon.com> include:amazonses.com <http://amazonses.com> -all" "spf2.0/pra include:spf1.amazon.com <http://spf1.amazon.com> include:spf2.amazon.com <http://spf2.amazon.com> include:amazonses.com <http://amazonses.com> -all" [ec2-user@ip-10-0-0-50 ~]$ On Mon, Jun 7, 2021 at 7:22 AM Brad Barnett <lists@l8r.net <mailto:lists@l8r.net> > wrote: If anyone at Amazon is paying attention, you have duplicate spf1 records for amazon.com <http://amazon.com> : # dig -t TXT amazon.com <http://amazon.com> | grep spf amazon.com <http://amazon.com> . 281 IN TXT "spf2.0/pra include:spf1.amazon.com <http://spf1.amazon.com> include:spf2.amazon.com <http://spf2.amazon.com> include:amazonses.com <http://amazonses.com> -all" amazon.com <http://amazon.com> . 281 IN TXT "v=spf1 include: amazon.com <http://amazon.com> include:spf1.amazon.com <http://spf1.amazon.com> include:spf2.amazon.com <http://spf2.amazon.com> include:amazonses.com <http://amazonses.com> -all" amazon.com <http://amazon.com> . 281 IN TXT "v=spf1 include:spf1.amazon.com <http://spf1.amazon.com> include:spf2.amazon.com <http://spf2.amazon.com> include:amazonses.com <http://amazonses.com> -all" It's causing mail deliverability issues, so users cannot reset their password, or even get OTP codes reliably. (I don't know where else to post, as whois/arin contacts aren't responding, and I can't even imagine trying to go through other methods of support...)