Email Deliverability
sinaimg.cn
F
32 / 90
1
MX hosts
1
MX IPs
1
Blacklisted
1
No PTR
1
No FCrDNS
Issues (6)
criticalNo SPF record
criticalNo DMARC record
highMX IP 36.51.254.76 is blacklisted
highMX IP 36.51.254.76 has no PTR (reverse DNS)
lowOnly one MX host
infoDKIM could not be verified