Email Authentication
jd.hk
SPF
passDeclares which servers may send mail for this domain.
v=spf1 include:a.spf.jd.com include:b.spf.jd.com include:c.spf.jd.com 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)
5 mx.jd.com
30 mx1.jd.com