Email Authentication
itunes.com
SPF
passDeclares which servers may send mail for this domain.
v=spf1 include:_spf-txn.apple.com include:_spf-mkt.apple.com include:_spf.apple.com ~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; rua=mailto:d@rua.agari.com; ruf=mailto:d@ruf.agari.com;
Mail Servers (MX)
10 mx-in.g.apple.com
20 mx-in-vib.apple.com
20 mx-in-hfd.apple.com
20 mx-in-mdn.apple.com
20 mx-in-rno.apple.com