Email Deliverability
nos.nl
B
72 / 100
1
MX hosts
8
MX IPs
0
Blacklisted
6
No PTR
7
No FCrDNS
Issues (10)
highMX IP 52.101.73.30 has no PTR (reverse DNS)
highMX IP 52.101.68.5 has no PTR (reverse DNS)
highMX IP 2a01:111:f403:ca04::b has no PTR (reverse DNS)
highMX IP 2a01:111:f403:ca09:: has no PTR (reverse DNS)
highMX IP 2a01:111:f403:ca09::3 has no PTR (reverse DNS)
highMX IP 2a01:111:f403:ca09::e has no PTR (reverse DNS)
mediumSPF uses ~all (softfail) instead of -all (hardfail)
mediumMX IP 52.101.68.21 fails FCrDNS check
lowDMARC policy is quarantine, not reject
lowOnly one MX host