Email Deliverability
163yun.com
C
59 / 90
2
MX hosts
4
MX IPs
0
Blacklisted
4
No PTR
4
No FCrDNS
Issues (7)
criticalNo SPF record
highDMARC policy is none (monitor only)
highMX IP 47.90.150.166 has no PTR (reverse DNS)
highMX IP 47.253.119.154 has no PTR (reverse DNS)
highMX IP 47.90.150.166 has no PTR (reverse DNS)
highMX IP 47.253.119.154 has no PTR (reverse DNS)
infoDKIM could not be verified