Email Deliverability
pku.edu.cn
C
68 / 100
2
MX hosts
3
MX IPs
2
Blacklisted
0
No PTR
0
No FCrDNS
Issues (4)
highMX IP 152.32.185.215 is blacklisted
highMX IP 152.32.234.63 is blacklisted
highMX IP 162.105.129.123 is blacklisted
lowDMARC policy is quarantine, not reject