Email Authentication
500px.com
SPF
passDeclares which servers may send mail for this domain.
v=spf1 include:_spf.google.com include:_spf.500px.com include:spf.tipalti.com include:amazonses.com include:sendgrid.net include:mail.zendesk.com ~all
DKIM
failCryptographic signature on outbound mail (selector: default).
_globalsign-domain-verification=95YZs-Lq6mpDrrS5bnsvxSp8Llz8ZsgkwBGGx8RQVh_globalsign-domain-verification=-awtonA3izZim7M9dNMwrH07WjvKC5se353wYCAliP
DMARC
passTells receivers what to do with mail that fails SPF/DKIM. Policy: reject.
v=DMARC1; p=reject; rua=mailto:admin@500px.net
Mail Servers (MX)
10 aspmx.l.google.com
20 alt1.aspmx.l.google.com
30 alt2.aspmx.l.google.com
40 aspmx2.googlemail.com
50 aspmx3.googlemail.com