Email Authentication
ntou.edu.tw
SPF
passDeclares which servers may send mail for this domain.
v=spf1 a mx ip4:140.121.140.0/24 ~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 mailgate.ntou.edu.tw