Email Deliverability
public.lu
B
68 / 90
4
MX hosts
4
MX IPs
0
Blacklisted
3
No PTR
3
No FCrDNS
Issues (5)
criticalNo SPF record
highMX IP 185.106.25.64 has no PTR (reverse DNS)
highMX IP 185.106.25.65 has no PTR (reverse DNS)
highMX IP 185.106.25.68 has no PTR (reverse DNS)
infoDKIM could not be verified