Email Deliverability
nubank.com.br
A
90 / 100
5
MX hosts
5
MX IPs
0
Blacklisted
1
No PTR
3
No FCrDNS
Issues (3)
highMX IP 192.178.223.26 has no PTR (reverse DNS)
mediumMX IP 2607:f8b0:4004:c23::1a fails FCrDNS check
mediumMX IP 108.177.123.26 fails FCrDNS check