Email Authentication
visualwebsiteoptimizer.com
SPF
passDeclares which servers may send mail for this domain.
v=spf1 -all
DKIM
failCryptographic signature on outbound mail (selector: default).
v=DKIM1; p=
DMARC
passTells receivers what to do with mail that fails SPF/DKIM. Policy: reject.
v=DMARC1; p=reject; adkim=s; aspf=s;
Mail Servers (MX)
10 aspmx.l.google.com
20 alt1.aspmx.l.google.com
30 alt2.aspmx.l.google.com