Email Deliverability
ub.ac.id
A
86 / 100
5
MX hosts
3
MX IPs
0
Blacklisted
3
No PTR
3
No FCrDNS
Issues (4)
highMX IP 192.178.155.27 has no PTR (reverse DNS)
highMX IP 2607:f8b0:4004:c23::1a has no PTR (reverse DNS)
highMX IP 172.253.116.26 has no PTR (reverse DNS)
mediumSPF uses ~all (softfail) instead of -all (hardfail)