Email Deliverability
mdr.de
C
57 / 100
1
MX hosts
8
MX IPs
1
Blacklisted
4
No PTR
5
No FCrDNS
Issues (11)
highDMARC policy is none (monitor only)
highMX IP 52.101.73.11 is blacklisted
highMX IP 52.101.68.27 is blacklisted
highMX IP 52.101.68.15 is blacklisted
highMX IP 52.101.68.10 is blacklisted
highMX IP 2a01:111:f403:ca04::10 has no PTR (reverse DNS)
highMX IP 2a01:111:f403:ca09::c has no PTR (reverse DNS)
highMX IP 2a01:111:f403:ca09::e has no PTR (reverse DNS)
highMX IP 2a01:111:f403:ca04::b has no PTR (reverse DNS)
mediumMX IP 52.101.68.15 fails FCrDNS check
lowOnly one MX host