Email Authentication
arduino.cc
SPF
passDeclares which servers may send mail for this domain.
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~allDKIM
passCryptographic signature on outbound mail (selector: google).
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCP7X4cKVssFZgxolyUWizZD+govwpNMHijSWRb/7hUV4jvJ1OCTf3bM+oy88u2Nzy4lm55HX9fTedxzhooHJfeffv70zxHAfPdEssAYoLkSGTNqubBuY6EDVe9o141GLEUi9J4ZXM4mMWtJBzypDZrt18/Gay9npDGcFia4Gn3nwIDAQAB
DMARC
passTells receivers what to do with mail that fails SPF/DKIM. Policy: quarantine.
v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc-report@arduino.cc,mailto:re+ctshepur1es@dmarc.postmarkapp.com; ruf=mailto:dmarc-report@arduino.cc; sp=none; aspf=r;
Mail Servers (MX)
0 mxa-0031df01.gslb.pphosted.com
0 mxb-0031df01.gslb.pphosted.com