Email Deliverability
mathworks.com
B
76 / 100
2
MX hosts
6
MX IPs
0
Blacklisted
5
No PTR
6
No FCrDNS
Issues (7)
highSPF record has no 'all' mechanism
highMX IP 170.10.132.242 has no PTR (reverse DNS)
highMX IP 170.10.132.141 has no PTR (reverse DNS)
highMX IP 170.10.128.242 has no PTR (reverse DNS)
highMX IP 170.10.132.221 has no PTR (reverse DNS)
highMX IP 170.10.128.141 has no PTR (reverse DNS)
mediumMX IP 170.10.128.221 fails FCrDNS check