Email Authentication
getcomposer.org
SPF
passDeclares which servers may send mail for this domain.
v=spf1 -all
DKIM
noneCryptographic signature on outbound mail (selector: none).
No record published.
DMARC
passTells receivers what to do with mail that fails SPF/DKIM. Policy: reject.
v=DMARC1; p=reject; adkim=s; aspf=s; rua=mailto:re+adpqhzrhkri@dmarc.postmarkapp.com; sp=reject;
Mail Servers (MX)
1 aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com
10 aspmx2.googlemail.com
10 aspmx3.googlemail.com
10 aspmx4.googlemail.com
10 aspmx5.googlemail.com