Email Deliverability
kaufland.cz
B
76 / 100
1
MX hosts
9
MX IPs
0
Blacklisted
7
No PTR
8
No FCrDNS
Issues (9)
highMX IP 142.251.179.26 has no PTR (reverse DNS)
highMX IP 142.250.31.27 has no PTR (reverse DNS)
highMX IP 142.251.111.26 has no PTR (reverse DNS)
highMX IP 2607:f8b0:4004:c29::1a has no PTR (reverse DNS)
highMX IP 2607:f8b0:4004:c29::1b has no PTR (reverse DNS)
highMX IP 2607:f8b0:4004:c1b::1a has no PTR (reverse DNS)
highMX IP 2607:f8b0:4004:c21::1b has no PTR (reverse DNS)
mediumMX IP 142.251.179.27 fails FCrDNS check
lowOnly one MX host