Email Deliverability
joongang.co.kr
B
73 / 90
3
MX hosts
3
MX IPs
0
Blacklisted
2
No PTR
2
No FCrDNS
Issues (6)
highDMARC policy is none (monitor only)
highMX IP 117.52.115.141 has no PTR (reverse DNS)
highMX IP 117.52.115.142 has no PTR (reverse DNS)
mediumSPF uses ~all (softfail) instead of -all (hardfail)
lowDMARC has no reporting address
infoDKIM could not be verified