Email Deliverability
scourt.go.kr
C
66 / 100
2
MX hosts
2
MX IPs
2
Blacklisted
0
No PTR
0
No FCrDNS
Issues (4)
highMX IP 203.240.75.35 is blacklisted
highMX IP 172.16.16.147 is blacklisted
mediumSPF uses ~all (softfail) instead of -all (hardfail)
lowDMARC policy is quarantine, not reject