Email Authentication
nia.gov.cn
SPF
passDeclares which servers may send mail for this domain.
v=spf1 include:spf.suremail.cn -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 mx3.suremail.cn
10 mx1.suremail.cn
15 mx2.suremail.cn
20 mx4.suremail.cn