Email Authentication
nationalgeographic.fr
SPF
warningDeclares which servers may send mail for this domain.
v=spf1 include:servers.mcsv.net ?all
DKIM
noneCryptographic signature on outbound mail (selector: none).
No record published.
DMARC
noneTells receivers what to do with mail that fails SPF/DKIM.
No record published.
Mail Servers (MX)
20 alt1.aspmx.l.google.com
20 alt2.aspmx.l.google.com
20 aspmx.l.google.com
20 aspmx2.googlemail.com
20 aspmx3.googlemail.com