Email Deliverability
airliners.net
B
80 / 100
5
MX hosts
10
MX IPs
0
Blacklisted
2
No PTR
2
No FCrDNS
Issues (4)
criticalNo DMARC record
highMX IP 2800:3f0:4003:c0f::1b 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)