Email Deliverability
ntct.edu.tw
D
41 / 90
1
MX hosts
1
MX IPs
1
Blacklisted
0
No PTR
0
No FCrDNS
Issues (5)
criticalNo SPF record
highDMARC policy is none (monitor only)
highMX IP 163.22.168.14 is blacklisted
lowOnly one MX host
infoDKIM could not be verified