Email Deliverability
unmsm.edu.pe
A
88 / 100
6
MX hosts
12
MX IPs
0
Blacklisted
2
No PTR
2
No FCrDNS
Issues (4)
highMX IP 2800:3f0:4003:c0f::1a has no PTR (reverse DNS)
highMX IP 2800:3f0:4003:c0f::1b has no PTR (reverse DNS)
mediumSPF uses ~all (softfail) instead of -all (hardfail)
lowDMARC policy is quarantine, not reject