Email Deliverability
jax.org
B
74 / 90
2
MX hosts
4
MX IPs
0
Blacklisted
3
No PTR
3
No FCrDNS
Issues (6)
highMX IP 139.138.57.78 has no PTR (reverse DNS)
highMX IP 139.138.33.123 has no PTR (reverse DNS)
highMX IP 139.138.33.118 has no PTR (reverse DNS)
mediumSPF uses ~all (softfail) instead of -all (hardfail)
lowDMARC policy is quarantine, not reject
infoDKIM could not be verified