Email Authentication

customer.io

SPF

pass
Declares which servers may send mail for this domain.
v=spf1 include:helpscoutemail.com include:_spf.google.com include:servers.mcsv.net include:amazonses.com include:mail.zendesk.com ~all

DKIM

none
Cryptographic signature on outbound mail (selector: none).
No record published.

DMARC

pass
Tells receivers what to do with mail that fails SPF/DKIM. Policy: quarantine.
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:re+a0b40970b63a@inbound.dmarcdigests.com,mailto:dmarc@rp.laneful.net; aspf=r; pct=100

Mail Servers (MX)

1 aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com
10 aspmx3.googlemail.com
10 aspmx2.googlemail.com