Email Deliverability
ludwig.guru
A
88 / 100
5
MX hosts
6
MX IPs
0
Blacklisted
1
No PTR
3
No FCrDNS
Issues (4)
highMX IP 2800:3f0:4003:c0f::1b has no PTR (reverse DNS)
mediumSPF uses ~all (softfail) instead of -all (hardfail)
mediumMX IP 2607:f8b0:4004:c19::1b fails FCrDNS check
mediumMX IP 192.178.223.26 fails FCrDNS check