Email Deliverability

slate.com

A
84 / 90
5
MX hosts
2
MX IPs
0
Blacklisted
1
No PTR
1
No FCrDNS

Issues (3)

highMX IP 2607:f8b0:4004:c07::1b has no PTR (reverse DNS)
mediumSPF uses ~all (softfail) instead of -all (hardfail)
infoDKIM could not be verified