Email Deliverability
elster.de
A
80 / 90
3
MX hosts
5
MX IPs
0
Blacklisted
2
No PTR
2
No FCrDNS
Issues (4)
highMX IP 2003:61:4039:2:a425:feff:feac:8155 has no PTR (reverse DNS)
highMX IP 185.176.166.38 has no PTR (reverse DNS)
mediumSPF uses ~all (softfail) instead of -all (hardfail)
infoDKIM could not be verified