Email Deliverability
cern.ch
B
79 / 100
1
MX hosts
8
MX IPs
0
Blacklisted
2
No PTR
3
No FCrDNS
Issues (6)
highSPF record has no 'all' mechanism
highMX IP 2a01:111:f403:ca04::b has no PTR (reverse DNS)
highMX IP 2a01:111:f403:ca09::f has no PTR (reverse DNS)
mediumMX IP 2a01:111:f403:ca04::5 fails FCrDNS check
lowDMARC policy is quarantine, not reject
lowOnly one MX host