Email Deliverability
up.pt
B
76 / 100
6
MX hosts
12
MX IPs
0
Blacklisted
4
No PTR
5
No FCrDNS
Issues (6)
highDMARC policy is none (monitor only)
highMX IP 2001:690:2200:a10::45 has no PTR (reverse DNS)
highMX IP 2001:690:2200:a10::47 has no PTR (reverse DNS)
highMX IP 2001:690:2200:a10::44 has no PTR (reverse DNS)
highMX IP 2001:690:2200:a10::24 has no PTR (reverse DNS)
mediumMX IP 193.137.55.25 fails FCrDNS check