Email Authentication
patch.com
SPF
passDeclares which servers may send mail for this domain.
v=spf1 a mx include:aspmx.sailthru.com include:_spf.google.com include:mail.zendesk.com ~all
DKIM
passCryptographic signature on outbound mail (selector: google).
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDFyl8yrzkeQEW8BW2oSfcoeXxlSwz3QfQpkxJyyDKffclYlAYtKWcvGsImBSsNUhzVoAbzN024CzdKHJen8ncCqUG/HYUbAD+F39GAijKBLEacSP8DIqjxTn6csIYBj6y8M31X2BhOEUF/4+e/+oIS3+LuySGWgfG8C2aYVp/IbQIDAQAB
DMARC
passTells receivers what to do with mail that fails SPF/DKIM. Policy: reject.
v=DMARC1; p=reject; sp=reject; rua=mailto:re+u9srkn6n0s5@inbound.dmarcdigests.com; aspf=r; pct=100
Mail Servers (MX)
1 aspmx.l.google.com
5 alt2.aspmx.l.google.com
5 alt1.aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com