Email Deliverability
nationalgeographic.es
C
61 / 100
1
MX hosts
4
MX IPs
1
Blacklisted
0
No PTR
0
No FCrDNS
Issues (6)
highDMARC policy is none (monitor only)
highMX IP 52.101.9.12 is blacklisted
highMX IP 52.101.11.13 is blacklisted
highMX IP 52.101.40.6 is blacklisted
highMX IP 52.101.42.18 is blacklisted
lowOnly one MX host