On Mon 20/Dec/2021 00:42:27 +0100 Douglas Foster wrote:
I detected 52 messages, from 10 unique domains, which failed the MX/A test. [...] 7 of 10 had DMARC PASS based on both SPF and DKIM: bc.qvcemail.com doctors-digest.com email.nutricia-na.com mail.foodnetwork.com mail.medscape.org mktg.daily-harvest.com email3.reachmd.com 1 of 10 had DMARC PASS based on SPF alignment only: mg.homedepot.com 2 of 10 had DMARC PASS based on DKIM only: info.extraspace.com update.strava.com
What do you mean by "failed the MX/A test"? Only doctors-digest.com seems to be non-existent under 3.2.6. ale@pcale:~/tmp$ for d in $doms mg.homedepot.com info.extraspace.com update.strava.com; do r=$(get_root_domain $d|sed -rn 's/^ Root Domain: *(.*)$/\1/p'); echo "$d -> $r"; dig +short $r; dig +short $r mx; echo; done bc.qvcemail.com -> qvcemail.com 167.140.19.203 100 smtp2.qvc.com. 100 smtp3.qvc.com. doctors-digest.com -> doctors-digest.com email.nutricia-na.com -> nutricia-na.com 52.36.54.191 20 mail3792.nutricianorthamerica.mkt4389.com. 5 bounce.email.nutricia-na.com. 10 reply.email.nutricia-na.com. mail.foodnetwork.com -> foodnetwork.com 204.78.50.45 100 foodnetwork-com.mail.protection.outlook.com. 1 aspmx.l.google.com. 10 alt3.aspmx.l.google.com. 5 alt1.aspmx.l.google.com. 5 alt2.aspmx.l.google.com. 10 alt4.aspmx.l.google.com. mail.medscape.org -> medscape.org 104.18.27.226 104.18.26.226 10 alt3.aspmx.l.google.com. 10 reply-mx.s6.exacttarget.com. 1 aspmx.l.google.com. 5 alt2.aspmx.l.google.com. 5 alt1.aspmx.l.google.com. 10 alt4.aspmx.l.google.com. mktg.daily-harvest.com -> daily-harvest.com 104.18.1.9 104.18.0.9 10 alt4.aspmx.l.google.com. 1 aspmx.l.google.com. 10 alt3.aspmx.l.google.com. 5 alt1.aspmx.l.google.com. 5 alt2.aspmx.l.google.com. email3.reachmd.com -> reachmd.com 34.195.222.240 34.233.81.108 10 mx1-us1.ppe-hosted.com. 10 mx2-us1.ppe-hosted.com. mg.homedepot.com -> homedepot.com 35.201.95.83 20 mx0a-000e6601.pphosted.com. 10 mxb-000e6601.gslb.pphosted.com. 10 mxa-000e6601.gslb.pphosted.com. 20 mx0b-000e6601.pphosted.com. info.extraspace.com -> extraspace.com 13.107.246.13 10 mxa-00257001.gslb.pphosted.com. 10 mxb-00257001.gslb.pphosted.com. update.strava.com -> strava.com 3.227.103.50 44.195.56.39 52.0.47.160 3.217.33.77 3.237.58.53 34.197.5.198 54.209.232.157 52.72.119.210 30 alt2.aspmx.l.google.com. 50 aspmx3.googlemail.com. 20 alt1.aspmx.l.google.com. 10 aspmx.l.google.com. 40 aspmx2.googlemail.com. _______________________________________________ dmarc mailing list dmarc@ietf.org https://www.ietf.org/mailman/listinfo/dmarc
